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'''Apple Watch'''
'''Apple Watch''' is a line of [[smartwatch]]es developed, designed, and marketed by [[Apple Inc.]] It incorporates [[Activity tracker|fitness tracking]] and health-oriented capabilities with integration with [[iOS]] and other Apple products and services. The original generation of the device was available in four variants: Apple Watch Sport, Apple Watch, Apple Watch [[Hermès]], and Apple Watch Edition; each was distinguished by different combinations of cases and first- or third-party interchangeable bands.

Apple Watch (excluding Series 3 LTE) relies on a wirelessly connected [[iPhone]] to perform many of its default functions such as calling and texting. The first generation watches are compatible with [[iPhone 5]] or later models running [[iOS 8|iOS 8.2]] or later, through the use of [[Wi-Fi]] or [[Bluetooth]]. Announced by Apple CEO [[Tim Cook]] in September 2014, the device was released on April 24, 2015.<ref name=theverge>{{cite web|url=https://live.theverge.com/apple-iphone-iwatch-live-blog |title=The Verge live blog |work=[[The Verge]] |publisher=[[Vox Media]] |date=September 9, 2014 |accessdate=September 10, 2014 |deadurl=yes |archiveurl=https://web.archive.org/web/20140909221803/http://live.theverge.com/apple-iphone-iwatch-live-blog/ |archivedate=September 9, 2014 }}</ref><ref>{{cite web|last1=Etherington|first1=Darrell|title=Tim Cook Says Apple Watch Ships In April|url=https://techcrunch.com/2015/01/27/tim-cook-says-apple-watch-should-ship-in-april/|website=[[TechCrunch]]|publisher=[[AOL]]|accessdate=January 28, 2015}}</ref> The Apple Watch quickly became the best-selling wearable device with the supply of 4.2 million smartwatches in the second quarter of the 2015 fiscal year.<ref>{{cite web|title = Apple Watch is 'world's best selling wearable' with 4.2 million shifted in Q2|url = http://www.theinquirer.net/inquirer/news/2418517/apple-watch-is-worlds-best-selling-wearable-with-42-million-shifted-in-q2}}</ref><ref>{{cite web|title = Apple Watch Price Details in India|url = http://www.tsaproundup.com/apple-smart-watch-launching-date-price-details-in-india/}}</ref>

The second generation of Apple Watch, released in September 2016, includes two tiers: Apple Watch Series 1,<ref>{{cite web |title=Apple announces Apple Watch Series 2 on September 7, 2016 |last=Mangalindan |first=JP |date=September 8, 2016|website=[[Yahoo Tech]] |access-date=September 8, 2016}}</ref> which includes the S1P chip, but is otherwise identical to the original, and [[Apple Watch Series 2]]. The [[Apple Watch Series 3|Series 3]] was announced at a presentation at [[Apple Park]] on September 12, 2017 and was released on September 22, 2017.


== Development ==
== Development ==
'''Apple Watch'''
The goal of the Apple Watch was to enhance the uses of an iPhone while also providing the user with some additional new features.<ref name="wired.com">{{cite web|url=https://www.wired.com/2015/04/the-apple-watch/|title=iPhone Killer: The Secret History of the Apple Watch|work=WIRED}}</ref> Essentially, the Apple Watch connected via [[Bluetooth]] to the iPhone and accessed its compatible apps. [[Kevin Lynch (computing)|Kevin Lynch]] was hired by Apple to make wearable technology for the wrist. He said: "People are carrying their phones with them and looking at the screen so much. People want that level of engagement. But how do we provide it in a way that's a little more human, a little more in the moment when you’re with somebody?"<ref name="wired.com" /> Apple's development process was held very much under wraps until a [[Wired (website)|Wired]] article revealed how some internal design decisions were made.<ref name="wired.com" />


==Unveiling and release==
==Unveiling and release==
'''Apple Watch'''
Rumors surrounded an Apple-developed wearable device back as far as 2011, which conceptualized the device as a variation of the [[iPod]] that would curve around the user's wrist, and feature [[Siri]] integration.<ref name="imore-earlyrumors">{{cite web|title=Rumor: Apple working on wearable iPod with Siri control &#124; iMore|url=http://www.imore.com/apple-working-wearable-ipod-siri-control|website=iMore|accessdate=September 1, 2015}}</ref> On February 10, 2013, both ''[[The New York Times]]'' and ''[[The Wall Street Journal]]'' reported that Apple was beginning to develop an [[iOS]]-based smartwatch with a curved display.<ref name="verge-earlyrumors">{{cite web|title=Apple is 'experimenting' with curved glass smartwatch, says NYT and WSJ|url=https://www.theverge.com/2013/2/10/3973364/apple-rumored-to-be-developing-ios-based-smartwatch/in/4286985|website=The Verge|accessdate=July 15, 2015}}</ref> On February 12, 2013, ''[[Bloomberg News|Bloomberg]]'' reported that Apple's smartwatch project was "beyond the experimentation phase in its development", and had a team of at least 100 designers working on the project.<ref name="bloomberg-watchrumor">{{cite web|title=Apple Said to Have Team Developing Wristwatch Computer|url=https://www.bloomberg.com/news/articles/2013-02-12/apple-said-to-have-team-developing-wristwatch-computer|website=Bloomberg|accessdate=July 15, 2015}}</ref> Further reports in March 2013 indicated that Apple planned to release the device by the end of the year.<ref name="bloomberg-profitable">{{cite news|title=Apple's Planned ‘IWatch’ Could Be More Profitable Than TV|url=https://www.bloomberg.com/news/articles/2013-03-04/apple-s-planned-iwatch-could-be-more-profitable-than-tv|accessdate=July 15, 2015|work=Bloomberg}}</ref> In July 2013, ''[[Financial Times]]'' reported that Apple had begun hiring more employees to work on the smartwatch, and that it was targeting a possible retail release in late 2014.<ref name="verge-ftblitz">{{cite web|title=Apple on iWatch hiring blitz ahead of possible late 2014 launch, says Financial Times|url=https://www.theverge.com/2013/7/14/4522898/apple-on-iwatch-hiring-blitz-and-could-launch-next-year-says/in/4286985|website=The Verge|accessdate=July 15, 2015}}</ref>

In April 2014, Apple CEO [[Tim Cook]] told ''[[The Wall Street Journal]]'' that the company was planning to launch new product categories that year, but did not reveal any specifics.<ref name="wsj-cooknewproducts">{{cite web|title=Apple's Cook on New Products: ‘Take the Time to Get It Right’|url=https://blogs.wsj.com/digits/2014/04/24/apples-cook-on-new-products-take-the-time-to-get-it-right/|website=Digits|publisher=Wall Street Journal|accessdate=July 15, 2015}}</ref> In June 2014, [[Reuters]] reported that production was expected to begin in July for a release in October.<ref name="verge-reutersreport">{{cite web|title=Apple's iWatch may launch in October with 2.5-inch screen, says Reuters|url=https://www.theverge.com/2014/6/19/5825178/apple-iwatch-could-launch-in-october/in/4286985|website=}}{{subscription required}}</ref>

On September 9, 2014, during a press event where the [[iPhone 6]] was also presented, the new product was introduced by [[Tim Cook]] as "the next chapter in Apple's story" with a video that focused on its design and the various combinations of bands and case styles that would be available to the consumers. After the reveal video, the auditorium was filled with prolonged applause and a standing ovation as Tim Cook reappeared onstage wearing an Apple Watch. Cook explained that Apple Watch was "a precise timepiece, a new intimate way to communicate from your wrist, and a comprehensive health and fitness device."<ref name="verge-watchannounce">{{cite web|title=Apple Watch announced: available for $349 early next year|url=https://www.theverge.com/2014/9/9/6125873/apple-watch-smartwatch-announced|website=The Verge|accessdate=July 15, 2015}}</ref><ref name="verge-watchfitness">{{cite web|title=The Apple Watch is poised to dominate the market for digital fitness trackers|url=https://www.theverge.com/2014/9/9/6127839/apple-watch-healthkit-digital-health-fitness|website=The Verge|accessdate=July 15, 2015}}</ref>

In comparison to other Apple products and competing smartwatches, marketing of Apple Watch focused more on advertising the device as a [[fashion accessory]]; a 12-page advertising spread for Apple Watch in an issue of ''[[Vogue (magazine)|Vogue]]'' focused primarily on the different combinations of body and band styles available, and downplayed the technological aspects of it.<ref name="wp-fashion">{{cite news|title=Apple Watch is competing as a fashion accessory, and that's a risky move|url=https://www.washingtonpost.com/blogs/innovations/wp/2015/03/05/apple-watch-is-competing-as-a-fashion-accessory-and-thats-a-risky-move/|accessdate=July 15, 2015|work=Washington Post}}</ref><ref name="mashable-applewatch-">{{cite web|title=First Apple Watch ads in U.S. magazines favor fashion lovers over techies|url=http://mashable.com/2015/02/25/apple-watch-vogue/|website=Mashable|accessdate=July 15, 2015}}</ref> Apple has also, in particular, focused upon its health and fitness-oriented features, competing against dedicated [[activity tracker]]s,<ref name="techradar-isntaboutfashion">{{cite web|last1=Quinn|first1=Bradley|title=Apple Watch isn't about fashion design; it's about the fashion industry|url=http://www.techradar.com/us/news/portable-devices/other-devices/apple-watch-isn-t-about-fashion-design-it-s-about-the-fashion-industry-1266075|website=Techradar|publisher=Future|accessdate=July 15, 2015}}</ref> and with WatchOS 3, has expanded on them with fitness tracking for wheelchair users, social sharing in the Activity app, and a new Breathe app to encourage mindfulness.


===Release===
===Release===
'''Apple Watch'''
Pre-orders for the Apple Watch began on April 10, 2015, with the official release on April 24.<ref name="verge-releasedate">{{cite web|title=Apple Watch release date was April 24th, 2015, with pricing from $349 to over $10,000|url=https://www.theverge.com/2015/3/9/8162455/apple-watch-price-release-date-2015|website=The Verge|accessdate=July 15, 2015}}</ref>

Initially, the Apple Watch was not available at the [[Apple Store]]; beginning on April 10, 2015, customers could receive appointments for demonstrations and fitting, but the device was not in-stock for walk-in purchases, and had to be reserved and ordered online (however, sales representatives were able to assist in the process). ''[[CNET]]'' felt that this distribution model was designed to prevent Apple Store locations from having long line-ups due to the high demand.<ref name="cnet-reservation">{{cite web|title=Apple Watch launch: Plan ahead -- it's by appointment only|url=http://www.cnet.com/news/apple-watch-launch-plan-ahead-its-by-appointment-only/|website=CNET|accessdate=July 15, 2015}}</ref><ref name="cnet-reserveapplestore">{{cite web|title=Apple Watch can now be reserved for in-store purchase|url=http://www.cnet.com/news/apple-watch-can-now-be-reserved-for-in-store-pick-up/|website=CNET|accessdate=July 15, 2015}}</ref> Selected Apple Watch models were available in-store at certain luxury boutiques and authorized Apple resellers in limited quantities.<ref name="cnet-boutique">{{cite web|title=Want an Apple Watch on Friday? Head to a luxury boutique|url=http://www.cnet.com/news/if-you-want-an-apple-watch-on-friday-head-to-a-luxury-boutique/|website=CNET|accessdate=July 15, 2015}}</ref> On June 4, 2015, Apple announced that it did plan to stock Apple Watch models at its retail locations.<ref name="cnet-reserveapplestore"/> On August 24, 2015, during an earnings call, [[Best Buy]] announced that it would begin stocking Apple Watch at its retail stores by the end of September.<ref name="verge-awbestbuy">{{cite web|title=The Apple Watch will be available at all Best Buy locations next month|url=https://www.theverge.com/2015/8/25/9206317/apple-watch-sales-retail-best-buy|website=The Verge|accessdate=September 22, 2015}}</ref> Both [[T-Mobile US]] and [[Sprint Corporation|Sprint]] also announced plans to offer Apple Watch through its retail stores.<ref name="pcmag-awsprint">{{cite web|title=Buy Apple Watch From Sprint on Friday|url=https://www.pcmag.com/article2/0,2817,2491664,00.asp|website=PC Magazine|accessdate=September 22, 2015}}</ref>

On September 9, 2015, in Apple's Special Event, Apple launched a new collection of Apple Watch in collaboration with [[Hermès]]. This new collection, Apple Watch Hermès, comes in stainless steel body with finely crafted leather bands in distinctive styles from Hermès, including the Single Tour, Double Tour and Cuff models. Initially, Apple Watch Hermès was only available in selected retail stores of Apple and Hermès, but it became available for purchase at Apple's website on January 22, 2016.<ref>{{cite web|last1=Reisinger|first1=Don|title=Apple's Pricey Hermès Smartwatch Will Be Available Online Friday|url=http://fortune.com/2016/01/20/apple-watch-hermes-online/|website=fortune.com|publisher=Fortune Magazine|accessdate=January 21, 2016}}</ref> New colors for Apple-designed bands were also announced, along with a release date for [[watchOS#watchOS 2.x|watchOS 2]] update.

The device was not branded as "iWatch" (which would put it in line with its pre-existing product lines such as iPod, iPhone, and [[iPad]]) due to [[trademark]] conflicts in certain territories; in the United States, the "iWatch" trademark is owned by OMG Electronics — who was [[crowdfunding]] a device under the same name, and is owned in the [[European Union]] by Irish firm Probendi.<ref name="cnet-iwatchname">{{cite web|title=Non-Apple companies hold iWatch trademark in U.S., U.K., China|url=http://www.cnet.com/news/non-apple-companies-hold-iwatch-trademark-in-u-s-u-k-china/|website=CNET|accessdate=July 15, 2015}}</ref><ref name="cnbc-applewatchname">{{cite web|title=Why the Apple Watch isn't called the iWatch|url=https://www.cnbc.com/2015/04/09/why-the-apple-watch-isnt-called-the-iwatch.html|website=CNBC|publisher=NBCUniversal News Group|accessdate=July 15, 2015}}</ref> In July 2015, Probendi sued Apple Inc. for [[trademark infringement]], arguing that through [[keyword advertising]] on the [[Google Search|Google search engine]], it caused advertising for the Apple Watch to appear on search results pages when users searched for the trademarked term "iWatch".<ref name="ars-iwatchlawsuit">{{cite web|title=The Apple iWatch doesn’t exist, but a legal fight over it does|url=https://arstechnica.com/tech-policy/2015/07/the-apple-iwatch-doesnt-exist-but-a-legal-fight-over-it-does/|website=Ars Technica|accessdate=July 15, 2015}}</ref>

Apple Watch went on sale in [[India]] on November 6.<ref>{{cite news|last1=Diaconescu|first1=Adrian|title=Apple Watch finally goes on sale in India starting at the equivalent of $470|url=http://pocketnow.com/2015/11/06/apple-watch-india-availability-prices|accessdate=November 6, 2015|publisher=Pocketnow|date=November 6, 2015}}</ref> The device has also launched in [[Chile]], the [[Philippines]], and [[South Africa]].<ref>{{cite news|title=Apple Watch coming to India on Nov. 6, prices and resellers unknown|url=http://appleinsider.com/articles/15/10/23/apple-watch-coming-to-india-on-nov-6-prices-and-resellers-unknown|accessdate=October 23, 2015}}</ref> Apple Watch became available in Indonesia on December 4.<ref>{{cite news|title=Tanggal Rilis Apple Watch di Indonesia Terkuak: Akhir November!|url=http://www.makemac.com/apple-watch-indonesia/|accessdate=November 14, 2015|publisher=Makemac}}</ref>

During the Apple Event on March 21, 2016, a refreshed color lineup of watch bands were announced along with a new nylon band. The price of the Sport models were also cut by $50.<ref>{{cite web|last1=Rhodes|first1=Margaret|title=The Military History Behind the Apple Watch's New Straps|url=https://www.wired.com/2016/03/military-history-behind-apple-watchs-new-straps/|website=Wired|accessdate=April 3, 2016}}</ref>


==Specifications==
==Specifications==
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===Design===
===Design===


'''Apple Watch'''
The original Apple Watch came in four collections (Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermès)<ref>{{cite web|title=Apple Watch - Buy - Apple|url=https://www.apple.com/watch/buy/|website=Apple|accessdate=January 22, 2016}}</ref> and features two case sizes: {{convert|38|mm|in|abbr=on}} and {{convert|42|mm|in|abbr=on}}.<ref>{{cite web|title=Apple Watch Case and Band Sizes - Apple|url=https://www.apple.com/shop/watch/sizing-guide|website=Apple|accessdate=January 22, 2016}}</ref> The case of the watch includes a mechanism to enable the straps to be interchangeable. For input, the watch includes a "digital [[watch#Handedness|crown]]", which can be turned to scroll or zoom and pressed to return to the home screen, and a [[touchscreen]] that features [[Force Touch]] technology, which makes it pressure-sensitive and capable of distinguishing between a tap and a press.<ref name="ars-review"/> The watch also has a side button which can be used to display favorite contacts and access Apple Pay.<ref name=theverge2/> Apple rates the device's battery for 18 hours of mixed usage.<ref name="ars-review"/><ref>{{cite web|url=http://www.humavox.com/blog/wearable-month-apple-watch/|title=Wearable of the Month: The Apple Watch|date=October 29, 2015|work=[[Humavox]]}}</ref> Apple Watch is charged by means of [[inductive charging]], using a cable similar to the [[MagSafe]] cable from Apple's [[MacBook family]] of laptops.<ref name=theverge/> If the watch's battery depletes to less than 10 percent, the user is alerted and offered to enable a "power reserve" mode, which allows the user to continue to read the time for an additional 72 hours. The watch then reverts to its original mode when recharged.<ref>{{cite web|url=https://www.apple.com/au/watch/battery.html|title=General Battery Information|work=Apple inc.|accessdate=April 11, 2015}}</ref>

Apple does not explicitly market the original Apple Watch as being [[waterproof]], stating that it can withstand splashes of water (such as rain and hand washing), but does not recommend submersion ([[IP code|IPX7]]). However, external testing by [[The Iconfactory]] and others revealed that Apple Watch can function when submerged in various conditions (such as swimming), although its touchscreen experiences "erratic" behavior when submerged. Additionally, usage in water may void its warranty, constituting "damage caused by [use] outside Apple's published guidelines", and apps taking advantage of this may not be allowed per App Store policies which forbid the publishing of apps that encourage users to use devices in ways that may damage them.<ref name="macrumors-ipx7">{{cite web|title=A Detailed Look at How the Apple Watch Functions in Water|url=http://www.macrumors.com/2015/07/14/how-apple-watch-functions-in-water/|website=MacRumors|accessdate=July 15, 2015}}</ref><ref name="cultofmac-swimapp">{{cite web|title=Apple Watch swim app works — but it will void your warranty|url=http://www.cultofmac.com/328280/apple-watch-swim-app-works-but-it-will-void-your-warranty/|website=Cult of Mac|accessdate=July 15, 2015}}</ref>


===Hardware===
===Hardware===
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[[File:Apple S1 module.png|thumb|[[Apple S1]]|100px]]
[[File:Apple S1 module.png|thumb|[[Apple S1]]|100px]]


'''Apple Watch'''
The first-generation Apple Watch uses the single-core [[Apple S1|S1]] [[system-on-chip]]. It does not have a built-in [[Global Positioning System|GPS]] chip, instead relying on a paired iPhone for location services. It uses a [[linear actuator]] called the "Taptic Engine" to provide [[haptic feedback]] when an alert or a notification is received, and is used for other purposes by certain apps.<ref name="ars-review"/> The watch is equipped with a built-in [[Heart rate monitor|heart rate sensor]], which uses both [[infrared]] and visible-light [[Light-emitting diode|LEDs]] and [[photodiodes]].<ref>{{citation/core|Periodical=Apple Support|Title=Your heart rate. What it means, and where on Apple Watch you’ll find it.|language=German|URL=https://support.apple.com/en-us/HT204666|AccessDate=2017-06-16
}}</ref> All versions of the Apple Watch have 8&nbsp;[[Gigabyte|GB]] of storage; the operating system allows the user to store up to 2&nbsp;GB of music and 75&nbsp;[[megabyte|MB]] of photos. When the Apple Watch is paired with an iPhone, all music on that iPhone is also available to be controlled and accessed from the Apple Watch.<ref>[http://9to5mac.com/tag/even-the-edition-has-8gb/ Apple Watch includes 8&nbsp;GB of storage, allows 2&nbsp;GB of music storage and 75 MB of photos]. Retrieved March 11, 2015.</ref>

The Apple Watch only turns on when you activate the watch (either by lifting your wrist, touching the screen, or pressing a button).<ref>{{cite web|url=http://www.gizmag.com/smartwatch-comparison-2015/38452/|title=Early 2015 Smartwatch Comparison Guide|publisher=}}</ref>

The hardware has a large number of proprietary and custom accessories available for a customized look. Third-party bands and cases can be switched at the user's discretion.


====Second generation====
====Second generation====
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[[File:Apple S1P module.png|thumb|[[Apple S1P]]|100px]][[File:Apple S2 module.png|thumb|[[Apple S2]]|100px]]
[[File:Apple S1P module.png|thumb|[[Apple S1P]]|100px]][[File:Apple S2 module.png|thumb|[[Apple S2]]|100px]]


'''Apple Watch'''
The second generation has two tiers. One, Series 1, has a dual-core variant of the [[Apple S1]] processor, the S1P, and has a lower starting price than first generation watches.<ref name="appleWatchCompare">{{cite web|url=https://www.apple.com/watch/compare/ |publisher=apple.com|title=Apple Watch - Compare - Specs|accessdate=September 16, 2016}}</ref> The other, Series 2, has the dual-core [[Apple S2]] processor, water resistance to 50 meters, a display a bit more than twice as bright (1000 nits vs 450 nits), and a GPS receiver.<ref name="apple">{{cite web|url=https://www.apple.com/pr/library/2016/09/07Apple-Introduces-Apple-Watch-Series-2-The-Ultimate-Device-For-A-Healthy-Life.html |publisher=apple.com|title=Apple - Press Info - Apple Introduces Apple Watch Series 2, The Ultimate Device For A Healthy Life|accessdate=September 11, 2016}}</ref>


====Third generation====
====Third generation====
Line 111: Line 84:
[[File:Apple S3 module.png|thumb|[[Apple S3]]|100px]]
[[File:Apple S3 module.png|thumb|[[Apple S3]]|100px]]


'''Apple Watch'''
The third generation of the Apple Watch features a faster processor, the dual-core [[Apple S3|S3]], [[Bluetooth 4.2]] vs 4.0 on older models, a built-in altimeter for measuring flights of stairs climbed, increased RAM size, and optional [[LTE (telecommunication)|LTE]] cellular connectivity. Siri is able to speak on Apple Watch Series 3 due to the increased processing speed of the Watch.<ref>{{cite news|last1=Stern|first1=Joanna|title=Apple Watch Series 3 Review: Untethered... and Unreliable|url=https://www.wsj.com/articles/apple-watch-series-3-review-untethered-and-unreliable-1505905203|accessdate=22 September 2017|work=Wall Street Journal|date=20 September 2017}}</ref>


====Comparison of Models====
====Comparison of Models====
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==Software==
==Software==
'''Apple Watch'''
Apple Watch runs [[watchOS]], whose interface is based around a home screen with circular app icons. The OS can be navigated using the touchscreen or the crown on the side of the watch.<ref name="ars-review"/> Apple Watch must be paired with an [[iPhone 5]] or later running [[iOS 8.2]] or later; this version of iOS introduced the Apple Watch app, which is used to advertise Apple Watch, pairing with an iPhone, customize settings and loaded apps, and highlight compatible apps from the App Store.<ref name="ars-review">{{cite web|title=Review: The absolutely optional Apple Watch and Watch OS 1.0|url=https://arstechnica.com/apple/2015/05/review-the-absolutely-optional-apple-watch-and-watch-os-1-0/|website=Ars Technica|accessdate=July 15, 2015}}</ref>

It is capable of receiving notifications, messages, and phone calls via a paired iPhone.<ref name="ars-review"/> "Glances" allowed users to swipe between pages containing [[software widget|widget-like]] displays of information; however, this feature was replaced by a new Control Center. WatchOS also supports [[iOS 8#Continuity|Handoff]] to send content from Apple Watch to an iOS or OS X device,<ref name="ars-review"/> and act as a [[Electronic viewfinder|viewfinder]] for an iPhone camera,<ref name=theverge2>{{cite web|url=https://www.theverge.com/2014/9/9/6107091/apple-watch-iphone-6-most-important-things|title=The Verge: The 15 most important announcements from the Apple Watch, iPhone 6 event|work=[[The Verge]]|publisher=[[Vox Media]]|date=September 9, 2014|accessdate=September 10, 2014}}</ref> [[Siri]] is also available for voice commands, although it is not capable of responding with voice prompts.<ref name="ars-review"/> Apple Watch also supports [[Apple Pay]], and enables its use with older iPhone models that do not contain [[near-field communication]] (NFC) support.<ref name="ars-review"/>

Apple Watch's default apps are designed to interact with their iOS counterparts, such as e-mail, phone, Calendar, [[iMessage|Messages]], [[Apple Maps|Maps]], Music, [[Photos (Apple)|Photos]], Reminders, Remote (which can control [[iTunes]] and [[Apple TV]]), Stocks, and [[Apple Wallet|Wallet]].<ref name="ars-review"/> Using the Activity and Workout apps, a user can track their physical activity and send data back to the iPhone for use in its Health app and other [[HealthKit]]-enabled software.<ref name="ars-review"/> With WatchOS 3, Reminders, Home, Find My Friends, Heart Rate, and Breathe were added to the many stock apps.


===Version history===
===Version history===
{{See also|WatchOS#Version history: Apple Watch|l1=watchOS version history}}
{{See also|WatchOS#Version history: Apple Watch|l1=watchOS version history}}


'''Apple Watch'''
watchOS 1.0.1 featured performance improvements and support for additional [[emoji]] and languages,<ref>{{Cite web|title=Apple releases first Apple Watch update with watchOS 1.0.1, adding new Emoji & languages, app improvements, more|url = http://9to5mac.com/2015/05/19/apple-watch-os-software-update/|website = 9to5Mac|accessdate = June 10, 2015}}</ref> and was released on May 29, 2015. At [[WWDC]] 2015, Tim Cook announced watchOS 2.0; described by ''[[CNET]]'' as a "significant revamp", it included a new [[software development kit]] that allows more direct access to the device's hardware, new watch faces, the ability to reply to an e-mail, and other features.<ref>{{Cite web|title = Get ready for Apple Watch 2.0|url = http://www.cnet.com/news/get-ready-for-apple-watch-2-0/|website = CNET|accessdate = June 10, 2015}}</ref> watchOS 2.0 was set to be released on September 16, 2015, but was delayed due to a bug fix taking longer than expected;<ref>{{Cite web| title = Apple Previews New Apple Watch Software | url = https://www.apple.com/pr/library/2015/06/08Apple-Previews-New-Apple-Watch-Software.html| accessdate= August 30, 2015}}</ref> it was instead released on September 21, 2015.<ref>{{cite web|last1=Cunningham|first1=Andrew|title=After delay, Apple releases watchOS 2.0 to the public|url=https://arstechnica.com/apple/2015/09/after-delay-apple-releases-watchos-2-0-to-the-public/|website=[[Ars Technica]]|publisher=[[Condé Nast]]|accessdate=September 21, 2015|date=September 21, 2015}}</ref>

watchOS 2.0 was released as a way to bring new features and more improvements to Apple Watch. Although enhancements were seen through this software update, many users pointed out that their apps are almost universally useless due to lag and touches that don't register immediately.<ref>{{Cite web|url=http://www.cultofmac.com/393831/why-im-cheating-on-my-apple-watch/|title=Why I’m cheating on my Apple Watch {{!}} Cult of Mac|website=Cult of Mac|language=en-US|access-date=March 13, 2016}}</ref> However, there are ways to speed up the Apple Watch by turning off several options from the Settings app.<ref>{{Cite web|url=http://www.cupertinowatch.com/speed-up-slow-apple-watch-watchos/|title=Apple Watch slow? How to Speed Up watchOS with these Tips|website=Cupertino Watch|language=en-US|access-date=March 13, 2016}}</ref>

watchOS 3.0 was announced at WWDC 2016, with a priority on performance. Users are able to keep apps running in memory as well as receive background updates and refreshed information. Other updates include a new Dock invoked with the side button to replace the performance-laden Glances, an updated Control Center, and new reply options on Messages. Several new watch faces have also been added, including [[Minnie Mouse]], along with the ability to switch watch faces from the lock screen simply by swiping. A new feature called SOS allows users to hold the dock button to make a call to the local emergency line and pull up the user's Medical ID. Another feature is Activity Sharing, which allows sharing of workouts with friends and even sending their heartbeats to one another. A new app called Breathe guides users through breathing exercises throughout the day, with visuals and haptic feedback. watchOS 3.0 was released to developers on June 13, 2016 and was made available to the public on September 13, 2016.

WatchOS 3.1 was released to the public on October 24, and watchOS 3.2 was released near the end of March, 2017.<ref>{{Cite web|url=https://9to5mac.com/2016/10/24/apple-releases-watchos-3-1-to-the-public-with-bug-fixes-update-through-iphone-watch-app/|title=Apple Releases watchOS 3.1 to the public with bug fixes, update through iPhone Watch app{{!}} 9TO5Mac|website=9TO5Mac|language=en-US|access-date=May 27, 2017}}</ref> Both updates added minor improvements and bug fixes.

watchOS 4.0 was announced at WWDC 2017 on June 5, 2017, and released to the public on September 19. watchOS 4 features a proactive Siri watch face, personalised activity coaching, and an entirely new music experience. It also introduces GymKit, a technology platform to connect workouts with cardio equipment.


===Third-party apps===
===Third-party apps===


'''Apple Watch'''
watchOS supports third-party applications; a [[WatchKit]] app runs in the background on the iPhone as an application extension while a set of native user interface resources are installed on Apple Watch.<ref name=ArsTechnica>{{cite web|last1=Cunningham|first1=Andrew|title=Apple releases WatchKit developer tools alongside first iOS 8.2 beta|url=https://arstechnica.com/apple/2014/11/apple-releases-watchkit-developer-tools-alongside-first-ios-8-2-beta/|website=[[Ars Technica]]|publisher=[[Condé Nast]]|accessdate=May 15, 2015|date=November 18, 2014}}</ref> Thus, watchOS apps must be bundled within their respective iOS app, and are synced to the watch either manually, or automatically upon installation of the phone app.<ref name="ars-review"/>

Starting June 1, 2016, the only new watch apps allowed on the App Store will be those developed with the watchOS 2 (or later) SDK; no third-party languages or SDKs can be used to develop apps.<ref>{{cite web|url=http://appleinsider.com/articles/16/04/22/apple-requires-all-new-watchos-apps-be-native-by-june-1|title=Apple requires all new watchOS apps be native by June 1|date=April 22, 2016|website=AppleInsider|access-date=May 15, 2017}}</ref>


==Models==
==Models==
Line 266: Line 225:


[[File:AppleWatchAppleStore3.jpg|thumb|right|An Apple Store showcase with various Apple Watch models]]
[[File:AppleWatchAppleStore3.jpg|thumb|right|An Apple Store showcase with various Apple Watch models]]
'''Apple Watch'''
As of October 2017, two generations and three series of Apple Watch have been released. The series in '''bold''' are the current generation of the device:
* Apple Watch (2015–2016)
* '''Apple Watch Series 1''' (2016–present)
* Apple Watch Series 2 (2016–2017)
* '''Apple Watch Series 3''' (2017–present)
Apple Watch Series 2 models are divided into four "collections": Apple Watch, Apple Watch Nike+, Apple Watch [[Hermès]] and Apple Watch Edition. They are differentiated by combinations of cases, bands, and exclusive watch faces; Apple Watch comes with either aluminum or stainless steel cases, and various watch bands; Apple Watch Nike+ uses aluminum cases and special variants of sport band; Apple Watch [[Hermès]] uses stainless steel cases and Hermès watch bands; and Apple Watch Edition comes with ceramic cases (the original generation Apple Watch Edition used 18-karat gold).<ref>{{cite web|url=http://au.ibtimes.com/apple-watch-18-karat-gold-premium-smartwatch-edition-be-priced-5000-reports-1370813|title=Apple Watch: 18-Karat Gold Premium Smartwatch Edition To Be Priced At $5000--Reports|author=Anvin VS|date=September 18, 2014|work=International Business Times AU}}</ref>

Apple Watch Series 1 models are only available with aluminum cases and sport bands.<ref>{{Cite web|url=https://www.apple.com/shop/buy-watch/apple-watch-series-1|title=Buy Apple Watch Series 1 - Apple|last=|first=|date=|website=apple.com|publisher=|access-date=October 15, 2016}}</ref>

Each model comes in a 38- or 42-millimeter body, with the 42&nbsp;mm size having a slightly larger screen and battery.<ref name="ars-review" /> Each model has various color and band options. Featured Apple-made bands include colored Sport bands, Woven Nylon Band, Classic Buckle, Modern Buckle, Leather Loop, Milanese Loop, and a Link Bracelet.<ref name="ars-review" />


==Reception==
==Reception==
[[File:Apple store opens on iWatch day 2015 -06-10 jeh.jpg|thumb|An Apple Store opens its doors on the first day of sales of the Apple Watch.]]
[[File:Apple store opens on iWatch day 2015 -06-10 jeh.jpg|thumb|An Apple Store opens its doors on the first day of sales of the Apple Watch.]]'''Apple Watch'''
Following the announcement, initial impressions from technology and watch industry observers were varied; the watch was praised by some for its "design, potential capabilities and eventual usefulness",<ref name="Time-92914">{{cite web |url=http://time.com/3445265/apple-watch-predictions/ |title=Nobody Can Predict the Success of Apple's Watch Yet |last1=Bajarin |first1=Tim|author-link1=Tim Bajarin|date=September 29, 2014 |work=[[Time (magazine)|Time]] |accessdate=April 2, 2015}}</ref> while others offered criticism of these same aspects.<ref name="Time-92914" /> Venture capitalist [[Marc Andreessen]] said he "can't wait" to try it,<ref name="CNET_10714">{{cite web |url=http://www.cnet.com/news/zuckerberg-is-worlds-best-ceo-twitter-the-eighth-wonder-says-marc-andreessen/ |title=Zuckerberg is world's best CEO, Twitter the eighth wonder, says Marc Andreessen |date=October 7, 2014 |work=[[CNET]] |accessdate=October 14, 2014}}</ref> and [[Steve Jobs]]' biographer [[Walter Isaacson]] described it as "extremely cool" and an example of future technology that is "much more embedded into our lives".<ref name="Gizmodo-10614">{{cite web |url=https://gizmodo.com/walter-isaacson-talks-gamergate-apple-watch-and-his-1642877801 |title=Walter Isaacson Talks AI, Apple Watch, and His New Book The Innovators |last1=Shaban |first1=Hamza |date=October 6, 2014 |work=[[Gizmodo]] |accessdate=October 14, 2014}}</ref> However, Evan Dashevsky of ''[[PC Magazine]]'' said it offered nothing new in terms of functionality compared to the [[Moto 360]], except the customizable vibration notifications.<ref name="PCmag article 1">{{cite web|url=https://www.pcmag.com/article2/0,2817,2468276,00.asp|title=There's Only One Reason to Buy an Apple Watch|website=[[PC Magazine]]|date=September 10, 2014|accessdate=September 10, 2014}}</ref> In November 2014, Apple Watch was listed by ''Time'' as one of the 25 Best Inventions of 2014.<ref name=TimeInventions>{{cite web|title=The 25 Best Inventions of 2014|url=http://time.com/3594971/the-25-best-inventions-of-2014/|website=[[Time (magazine)|Time]]|accessdate=January 21, 2015|date=November 20, 2014}}</ref>

Initial reviews for the device have been generally positive with some caveats.<ref>{{cite web|url=http://m.smh.com.au/digital-life/wearables/apple-watch-reviews-very-positive-with-some-caveats-20150409-1mh4ef.html|title=Apple watch reviews very positive, with some caveats|last1=Biggs|first1=Tim|work=Sydney Morning Herald|date=April 9, 2015|accessdate=April 9, 2015}}</ref> Reviewers praised the watch's potential ability to integrate into everyday life and the overall design of the product, but noted issues of speed and price. Many reviewers described the watch as functional and convenient, while also noting failure to offer as much potential functionality as preceding smartphones. Farhad Manjoo of ''[[The New York Times]]'' mentioned the device's steep learning curve, stating it took him "three long, often confusing and frustrating days" to become accustomed to it.<ref name="NYT review">{{cite web|last1=Manjoo|first1=Farhad|title=Apple Watch Review: Bliss, but Only After a Steep Learning Curve|url=https://www.nytimes.com/2015/04/09/technology/personaltech/apple-watch-bliss-but-only-after-a-steep-learning-curve.html|website=[[The New York Times]]|accessdate=April 25, 2015|date=April 8, 2015}}</ref> Some reviewers also compared it to competing products, such as [[Android Wear]] devices, and claimed "The Smartwatch Finally Makes Sense".<ref name="WSJ">{{cite web|url=https://www.wsj.com/articles/apple-watch-review-the-smartwatch-finally-makes-sense-1428494495|title=Apple Watch Review: The Smartwatch Finally Makes Sense|last1=Fowler|first1=Geoffrey|work=[[The Wall Street Journal]]|date=April 8, 2015|accessdate=April 9, 2015}}</ref> Reviewers had mixed opinions on battery life though, with Geoffrey Fowler of ''[[The Wall Street Journal]]'' saying "the battery lives up to its all-day billing, but sometimes just barely,"<ref name="WSJ" /> and others compared it to the [[Samsung Gear 2]], which "strolls through three days of moderate usage."<ref>{{cite web|last1=Johnson|first1=Luke|title=Samsung Gear 2: Apps, Battery, Value and Verdict |url=http://www.trustedreviews.com/samsung-gear-2-review-apps-battery-value-and-verdict-page-3|website=TrustedReviews|accessdate=April 9, 2015|quote=It strolled through three days moderate usage, which is two full days longer than the Galaxy Gear, but's still short of what we would like to see on a wearable.}}</ref> Tim Bradshaw of the ''[[Financial Times]]'' used several applications over a period of days. He concluded that there is no "killer application" so far besides telling the time, which is the basic function of a wristwatch anyhow.<ref>Tim Bradshaw: "Apple Watch." In: "Financial Times." May 22, 2015, p. 10</ref>

When using the Apple Watch, some users have reported issues using the heart monitoring feature due to permanent skin conditions including [[tattoos]]. The Watch uses photoplethysmography technology (PPG) which utilizes the green LED lights to measure heart rates.<ref>{{Cite web|url=https://exist.io/blog/fitness-trackers-heart-rate/|title=How do fitness trackers measure your heart rate?|last=Cooper|first=Belle|date=21 February 2016|website=|access-date=}}</ref> To gauge a user's heart rate, the watch flashes green light from the LEDs at the skin and records the amount of this light that is absorbed by the red pigment of the blood.<ref>{{Cite web|url=https://www.theguardian.com/technology/2015/apr/30/how-tattoogate-has-highlighted-a-wider-problem-with-wearables|title=How #tattoogate has highlighted a wider problem with wearables|last=Hern|first=Alex|date=30 April 2015|website=|access-date=}}</ref> However, under certain circumstances the skin may not allow for the light absorption to be read properly and thus provide inaccurate results.<ref>{{Cite web|url=https://support.apple.com/en-us/HT204666 |title=Your heart rate. What it means, and where on Apple Watch you'll find it. |date=May 30, 2015 |website=[[Apple Inc.]] |accessdate=August 19, 2015}}</ref>

Some users have complained that the logo and text on the back of the Apple Watch Sport model, primarily the space gray version,<ref>{{cite web |url=http://appleinsider.com/articles/15/08/19/apple-watch-sport-owners-report-unexpected-rear-logo-damage-other-text-scratching-off |title=Apple Watch Sport owners report unexpected rear logo damage, other text scratching off |author=Roger Fingas}}</ref> can be easily worn off.<ref>{{cite web|title=Apple Watch Sport Users Complain That Lettering And Logo Are Wearing Off|url=http://consumerist.com/2015/08/20/apple-watch-sport-users-complain-that-lettering-and-logo-are-wearing-off/|website=Consumerist|accessdate= August 20, 2015}}</ref>

The first generation Apple Watch Edition, where models could retail from $10,000 USD to $17,000 USD (the latter being 18k gold), has received a lukewarm reception as the Apple brand "hasn’t established its value yet in gold" compared to similar-priced timepieces from [[Rolex]] and [[Patek Philippe]]. These Swiss luxury manufacturers were known for their "products’ intricate craftsmanship [that] justifies that high price tag". An analyst suggested “What makes a high-end watch? It’s the Swiss movements, the inner workings. That’s why collectors buy them. This [Apple Watch Edition] has none of that. It’s inserting a high-end case on a piece of electronics” which was not endlessly upgradable and would become obsolete in a couple years like other tech gadgets. In addition, Apple Retail Stores that carry the Apple Watch Edition would be “totally antithetical to their current retail model”, according to the Jewelers’ Security Alliance, since “You can’t have people touching it. You can’t have it out on counters. You have the same problems that retail jewelers have, in terms of distraction thefts, in terms of switching, in terms of grab and runs".<ref>[http://www.jckonline.com/blogs/cutting-remarks/2016/01/20/what-will-apple-watch-edition-cost-jewelry-and-watch-people-weigh]</ref><ref>[http://www.jckonline.com/blogs/cutting-remarks/2016/01/20/apple-treated-its-high-end-watch-gold-headed-stepchild]</ref> Apple has apparently given up on competing in the luxury watch market after failing to make much headway, as the second-generation Apple Watch Edition is made of ceramic and sells for $1,249 USD.<ref>[http://www.jckonline.com/blogs/cutting-remarks/2016/09/09/apple-decides-it-wont-be-rolex]</ref>


===Sales===
===Sales===
'''Apple Watch'''
Financial analysts offered early sales estimates from a few million to as many as 34.7 million in the first year.<ref>{{Cite web|title = Apple Watch sales to reach 36 million in first year, analyst predicts - CNET|url = http://www.cnet.com/news/apple-watch-sales-to-reach-36-million-over-first-12-months-predicts-analyst/|website = CNET|accessdate = June 7, 2015}}</ref> [[Time (magazine)|''Time'']]{{'}}s [[Tim Bajarin]] summarized the breadth of reactions, writing that "there is not enough information yet to determine how this product will fare when it finally reaches the market next year".<ref name="Time-92914"/>

Owing to the inadequacy of materials, the Apple Watch's delivery was delayed from its initial pre-order release date of April 10, 2015.<ref>{{Cite web|title=Apple Watch delays delays may be due to faulty part-CNET|url=http://www.cnet.com/news/apple-watch-delays-may-be-due-to-faulty-taptic-engine/|author=Shara Tibkens|website=CNET|accessdate=August 19, 2015}}</ref>
As a result, only 22 percent of the pre-ordered Apple Watches were despatched in the US during the weekend after the release date.<ref>{{Cite web|title=Apple Watch may have shipped to only 22 percent of preorder buyers so far-CNET|url=http://www.cnet.com/news/apple-watch-may-have-shipped-to-only-22-percent-of-us-preorder-buyers/|author=Lance Whitney|website=CNET|accessdate = August 19, 2015}}</ref> It is estimated Apple received almost one million Apple Watch pre-orders in the US during the initial six hours of the pre-order period on April 10, 2015, after which it sold out and further orders would start delivering in June.<ref>{{cite web|url=http://qz.com/381791/apple-watch-pre-orders-were-1-million-in-the-us-on-its-first-day-a-shopping-data-firm-estimates/|title=Apple Watch pre-orders were 1 million in the US on its first day, a shopping data firm estimates|author=Dan Frommer|work=Quartz|accessdate=April 13, 2015}}</ref> A report later on by an analyst stated that Apple Watch was already a $10 billion business during its first year.<ref>{{Cite web|url=http://www.aboveavalon.com/notes/2016/6/29/apple-watch-is-already-a-10-billion-business|title=Apple Watch Is Already a $10 Billion Business|access-date=July 2, 2016}}</ref><ref>{{Cite web|url=http://www.thecrydsdaily.com/2016/07/apple-watch-is-colossal-10-billion.html|title=Apple Watch Is A Colossal $10 Billion Business After Just 1 Year In The Market|website=The Cryd's Daily|access-date=July 2, 2016}}</ref><ref>{{Cite web|url=http://fortune.com/2016/07/01/apple-watch-business/|title=Here's How Much the Apple Watch Business Is Worth|date=July 1, 2016|website=Fortune|access-date=July 2, 2016}}</ref>

Although the Apple Watch was launched to much fanfare, Apple has not disclosed any sales figures of its Watch.<ref name="FortuneApr16">{{cite web|last1=Reisinger|first1=Ron|title=Apple Watch Sales Have Plummeted, Analyst Says|url=http://fortune.com/2016/04/21/apple-watch-sales-2/|website=Fortune|accessdate=January 1, 2017}}</ref> According to an estimate by IDC, Apple shipped over 12 million units in 2015.<ref>{{cite web|last1=Nick|first1=Statt|title=Apple shipped 11.6 million Apple Watches last year, says IDC (Feb 24, 2016)|url=https://www.theverge.com/2016/2/24/11108312/wearable-market-growth-idc-report-2015|website=TheVerge.com|accessdate=January 1, 2017}}</ref> In late 2016, a veteran of the Swiss watch industry said Apple sold about 20 million watches and had a market share of about 50 percent.<ref>{{cite news|title=Swiss watch sector set for smartwatch boom|url=http://uk.reuters.com/article/uk-swiss-watches-idUKKBN14L12A|accessdate=January 1, 2017|agency=Reuters|date=January 1, 2017}}</ref>


==See also==
==See also==
{{Portal|Apple Inc.}}
{{Portal|Apple Inc.}}'''Apple Watch'''
*[[List of iOS devices]]
*[[List of iOS devices]]
<!-- do not add competing products here; that is not the purpose of See Also on Wikipedia -->
<!-- do not add competing products here; that is not the purpose of See Also on Wikipedia -->

Revision as of 18:11, 25 December 2017

Apple Watch
File:White AppleWatch with Screen.png
An Apple Watch with white Sport Band
DeveloperApple Inc.
ManufacturerQuanta Computer[1]
(contract manufacturer)
TypeSmartwatch
Release dateOriginal: April 24, 2015; 9 years ago (2015-04-24)
Series 1 and Series 2: September 16, 2016; 8 years ago (2016-09-16)
Series 3: September 22, 2017; 7 years ago (2017-09-22)
Introductory priceWatch Sport
38 mm: US$349
42 mm: US$399

Watch
38 mm: US$399–US$999
42 mm: US$449–US$1,049

Watch Edition
38 mm & 42 mm: US$1,299[2]
Operating systemwatchOS
System on a chipApple Watch Original: Apple S1 (32-bit ARMv7[3])
Apple Watch Series 1: Apple S1P
Apple Watch Series 2: Apple S2
Apple Watch Series 3: Apple S3
MemoryOriginal, Series 1 and Series 2: 512 MB DRAM[4]
Series 3: 768 MB DRAM
StorageOriginal, Series 1 and Series 2: 8 GB
Series 3: 8 or 16 GB
DisplayOLED[5]

38mm
33.96 mm (1.337 in) diagonal, 272×340 pixels, 326 dpi
42mm
38.96 mm (1.534 in) diagonal, 312×390 pixels, 326 dpi
Watch Sport
Strengthened Ion-X glass

Watch/Watch Edition
Sapphire glass
GraphicsPowerVR SGX543[6]
ConnectivityOriginal, Series 1 and Series 2: Bluetooth 4.0
Series 3: Bluetooth 4.2
All models: NFC, Wi-Fi (802.11 b/g/n 2.4GHz only)
Diagnostics port
PowerBuilt-in rechargeable Li-Po battery

38mm
3.8 V 0.78 W·h (205 mA·h)[7][8]

42mm
3.78 V 0.93 W·h (246 mA·h)[8]
Dimensions38 mm
38.6 mm × 33.3 mm × 10.5 mm
(1.52 in × 1.31 in × 0.41 in)
42 mm
42 mm × 35.9 mm × 10.5 mm
(1.65 in × 1.41 in × 0.41 in)
Backward
compatibility		iPhone 5 and later running iOS 8.2 or later, connected via Wi-Fi or Bluetooth.
Websitewww.apple.com/watch

Apple Watch

Development

Apple Watch

Unveiling and release

Apple Watch

Release

Apple Watch

Specifications

Design

Apple Watch

Hardware

First generation

Apple S1

Apple Watch

Second generation

Main article: Apple Watch Series 2
Apple S1P
Apple S2

Apple Watch

Third generation

Main article: Apple Watch Series 3
Apple S3

Apple Watch

Comparison of Models

Specification 1st Generation Series 1 Series 2 Series 3
System on chip (SoC) Apple S1 Apple S1P Apple S2 Apple S3
Global Positioning System (GPS) No No Built-in Built-in
Cellular (LTE) No No No Optional (eSIM)
Water resistance Splash resistant Splash resistant Water resistant (up to 50 meters) Water resistant (up to 50 meters)
Wireless Networking WiFi (802.11 b/g/n 2.4 GHz) WiFi (802.11 b/g/n 2.4 GHz) WiFi (802.11 b/g/n 2.4 GHz) WiFi (802.11 b/g/n 2.4 GHz)
Bluetooth Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.2
Heart rate sensor Yes Yes Yes Yes
Accelerometer Yes Yes Yes Yes
Gyroscope Yes Yes Yes Yes
Ambient light sensor Yes[9] Yes Yes Yes
Altimeter No No No Yes
Display OLED Retina display with Force Touch (450 nits) OLED Retina display with Force Touch (450 nits) Second-generation OLED Retina display with Force Touch (1000 nits) Second-generation OLED Retina display with Force Touch (1000 nits)
Central Processing Unit (CPU) 520 MHz Single-Core 520 MHz Dual-Core 780 MHz Dual-Core Dual-Core
Storage 8GB 8GB 8GB 8GB non-LTE, 16GB with LTE
Random Access Memory (RAM) 512 MB DRAM 512 MB DRAM 512 MB DRAM 768 MB DRAM
OS Versions watchOS 1 to 4 watchOS 3.2.2 to 4 watchOS 3.2.2 to 4 watchOS 4
Requires iPhone 5 or later running iOS 8.2 or later iPhone 5 or later running iOS 10 or later[10] iPhone 5 or later running iOS 10 or later[11] iPhone 5s or later with iOS 11 or later, LTE model: iPhone 6 or later[12]
Battery 205 mAh, 3.8 V, (0.78 Whr) battery capacity (38 mm)

250 mAh, 3.78 V (0.93 Whr) battery capacity (42 mm)

205 mAh, 3.8 V, (0.78 Whr) battery capacity (38 mm)

250 mAh battery capacity (42 mm)

273 mAh, 3.77 V (1.03 Whr) battery capacity (38 mm)

334 mAh, 3.80 V (1.27 Whr) battery capacity (42 mm)

279 mAh, 3.82 V (1.07 Whr) battery capacity (38 mm, LTE)

262mAh, 3.81V (1.00 Whr) battery capacity (38mm, non-LTE)

352mAh (1.34 Whr) battery capacity (42 mm, LTE)

Software

Apple Watch

Version history

See also: watchOS version history

Apple Watch

Third-party apps

Apple Watch

Models

See also: List of iOS devices § Apple Watch
An Apple Store showcase with various Apple Watch models

Apple Watch

Reception

An Apple Store opens its doors on the first day of sales of the Apple Watch.

Apple Watch

Sales

Apple Watch

See also

Apple Watch

References

  1. ^ Eva Dou (June 20, 2014). "Who Is Apple's Watch Maker?". The Wall Street Journal. Retrieved February 8, 2015.
  2. ^ Kelion, Leo (March 10, 2015). "Apple Watch prices and apps revealed". BBC News Online. Retrieved March 10, 2015.
  3. ^ "Steve T-S on Twitter".
  4. ^ "Teardown shows Apple Watch S1 chip has custom CPU, 512MB RAM, 8GB storage". AppleInsider. Retrieved April 30, 2015.
  5. ^ Cite error: The named reference ars-review was invoked but never defined (see the help page).
  6. ^ "Apple Watch runs 'most' of iOS 8.2, may use A5-equivalent processor". AppleInsider. Retrieved April 25, 2015.
  7. ^ "Apple Watch Teardown - iFixit". Retrieved April 24, 2015.
  8. ^ a b Ho, Joshua; Chester, Brandon (July 20, 2015). "The Apple Watch Review". AnandTech. Retrieved July 27, 2015.
  9. ^ Apple Watch (1st generation) - Technical Specifications
  10. ^ Apple introduces Apple Watch Series 2
  11. ^ Apple introduces Apple Watch Series 2
  12. ^ Apple Watch Series 3 - Technical Specifications
Wikimedia Commons has media related to Apple Watch.
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