Apple Watch Series 12: The most accurate heart rate sensing in a wearable

Apple Watch Series 12 has the most accurate heart rate sensing in a wearable. Unlock new features like high-frequency heart rate tracking, heart rate variability in daytime vitals, and a readiness score that lets you know when to rest or put yourself to the test. And now every day feels more effortless with Siri Al and Audio Intelligence.

Apple Watch is the ultimate device for a healthy life, with features like sleep score, cycle tracking and in-depth workout metrics. It’s built to go all day with 24-hour battery life, a wide-angle Always-On Retina display and super-durable Ceramic Shield 2 on aluminium cases.

Siri AI is rolling out in English.
Some Audio Intelligence features coming in beta late 2026.
Usage limits may apply.

Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Siri AI and Apple Intelligence features have usage limits. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at apple.com/uk/apple-intelligence.

Audio Intelligence includes Live Rewind, Siri Recap, Sound Recognition and faster Shazam, and requires Apple Watch Series 12 or Apple Watch Ultra 4. Live Rewind and Siri Recap will be available in beta in late 2026 and require an Apple Intelligence–enabled iPhone 16 or later (excluding iPhone 16e). Will be available in English to start and will not initially be available in the EU. Certain Audio Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Live Rewind and Siri Recap. For more information, visit support.apple.com/en-gb/148354.

The most accurate health sensing in a wearable evaluation based on internal Apple study of heart rate tracking data, August 2026. Visit http://apple.com/HRAccuracy

Learn more about Apple Watch Series 12: https://www.apple.com/uk/apple-watch-series-12/

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