Apple Watch Series 12 announced: Everything you need to know about the new flagship Apple Watch

Apple Watch Series 12
(Image credit: Apple)

Move over, Apple Watch Series 11; there's a new flagship Apple Watch in town. Apple just announced the Apple Watch Series 12 alongside the Apple Watch Ultra 4 during Cupertino's September 9 "Surprise and Shine" event (we also got the new iPhone 18 series and the iPhone Duo).

Boasting a completely redesigned health sensor array, upgraded processor, and tons of new wellness tools, here's everything you need to know about the Apple Watch Series 12.

Apple Watch Series 12: Upgrades cheat sheet

  • Price and release: The Apple Watch Series 12 is available for preorder starting today and will be available on September 18, with a starting price of $399, the same as the Series 11
  • Design: The Series 12 looks similar to the Series 11; available in Space Grey, Black, Light Gold, and Dark Bronze (aluminum case); Pearl White and Night Blue (ceramic case); Polished Gold and Polished Silver (titanium case)
  • Health features: Updated health sensing system; improved heart rate and heart rate variability (HRV) tracking; HRV reflected in Vitals app; new Readiness metric; new Health Age score; redesigned Health app with improved recovery insights and personalized AI health/fitness guidance that updates dynamically; Health app now supports personal health data and lab results
  • AI features: Support for Siri AI voice assistant; Live Rewind lets you ‘go back in time’ up to 15 seconds; Sound Recognition can auto-alert users to common sounds like sirens and alarms; Siri Recap takes high-level notes of conversations and generates summaries
  • Under-the-hood: Upgraded S11 processor
  • Battery life: Up to 24 hours per charge, same as Series 11

Apple Watch Series 12: Upgrades and new features explained

Last year's Apple Watch Series 11 currently tops our best smartwatch list; will the new Apple Watch Series 12 take its place? Maybe! Here's what's new and exciting about the latest model.

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Dan Bracaglia
Senior Writer, Fitness & Wearables

Dan Bracaglia is the Tom’s Guide editorial lead for all things smartwatches, fitness trackers and outdoor gear. With 15 years of experience as a consumer technology journalist testing everything from Oura Rings to instant cameras, Dan is deeply passionate about helping readers save money and make informed purchasing decisions. In the past year alone, Dan has assessed major product releases from the likes of Apple, Garmin, Google, Samsung, Polar and many others. 

An avid outdoor adventurer, Dan is based in the U.S. Pacific Northwest where he takes advantage of the beautiful surroundings every chance he gets. A lover of kayaking, hiking, swimming, biking, snowboarding and exploring, he also makes every effort to combine his day job with his passions. When not assessing the sleep tracking and heart rate accuracy of the latest tach gadgets, you can find him photographing Seattle’s vibrant underground music community.

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