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Apple Watch Series 3

The Apple Watch Series 3 is the third-generation model of the Apple Watch. It was released on September 22, 2017.

Apple Watch Series 3
Apple Watch official logo.svg
Also known asApple Watch 3
DeveloperApple Inc.
Product familyApple Watch
Generation3rd Generation
Release dateSeptember 22, 2017; 2 years ago (2017-09-22)
Operating systemWatchOS 6.1
CPUApple S3
PredecessorApple Watch Series 2
SuccessorApple Watch Series 4


The main feature is the new built-in LTE cellular connectivity, offering voice and data communication and Apple Music streaming. The watch comes with an electronic SIM card[1][2] and shares the same mobile number as the user's iPhone. Add-on plans start at $10/month from the four major US carriers.[3]


Apple Watch Series 3 has a dual-core Apple S3 processor that is 70% faster than the Apple S2 and enables Siri voice responses. The cellular-capable watch has a red digital crown while the non-LTE version has a plain digital crown.[4] It has a built-in NFC chip which can be used for Apple Pay.[5] Apple claims 18 hours of battery life.[1]


The Apple Watch Series 3 ships with watchOS 4, which has an updated Heart Rate app (including resting and recovery period monitoring), Workout app (with High Intensity Interval Training), as well as two-way data synchronization with GymKit-integrated cardio fitness equipment from companies such as Life Fitness, Technogym, Cybex, Schwinn, MS Artrix, Stair Master and Star Trac.[2][6][7][8]


The Apple Watch Series 3 (GPS) requires an iPhone 5s or later with iOS 11 or later. The Apple Watch Series 3 (GPS + Cellular) requires an iPhone 6 or later with iOS 11 or later.[9]


  1. ^ a b "The new Apple Watch works without a phone". The Verge. Retrieved 2017-09-20.
  2. ^ a b "Apple Watch Series 3 features built-in cellular and more". Apple Newsroom. Retrieved 2017-09-20.
  3. ^ Mills, Chris (2017-09-13). "The Apple Watch Series 3 is going to cost you $10 per month, forever". BGR. Retrieved 2017-09-20.
  4. ^ "The New Apple Watch Series 3, Better Than Ever [Update]". The Mac Observer. 2017-09-12. Retrieved 2017-09-20.
  5. ^ "Apple Watch-compatible gym equipment will be ready by September". TechRadar. Retrieved 2017-09-20.
  6. ^ Buhr, Sarah. "Apple's Watch 3 rolls out heart health and smart fitness features". TechCrunch. Retrieved 2017-09-20.
  7. ^ "watchOS 4 brings more intelligence and fitness features to Apple Watch". Apple Newsroom. Retrieved 2017-09-20.
  8. ^ "Apple Watch users can download watchOS 4 on September 19". Ars Technica. Retrieved 2017-09-20.
  9. ^ "Apple Watch Series 3 – Technical Specifications". Retrieved 2017-12-11.

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