The ultimate sports and adventure watch. A battery you can’t outrun. The most accurate heart rate sensing in a wearable. Legal ¹Apple Watch Ultra 4 requires iPhone 11 or later with iOS 27 or later. ²Based on Apple-conducted study of heart rate accuracy, August 2026. Visit apple.com/HRAccuracy. ³Battery life varies by use and configuration. See apple.com/watch/battery for more information. ⁴Apple 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 Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies, and other factors. 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/apple-intelligence.
