A work of heart. The Health Sensing System delivers the most accurate heart rate sensing in a wearable. The Health Sensing System delivers the most accurate heart rate sensing in a wearable. More frequent heart rate variability, or HRV, readings help provide insights on stress and recovery. Should you rest or put yourself to the test? Now a personal readiness score lets you know. Health tracking keeps you informed, from sleep quality to cycle tracking. Track your workouts and stay motivated with advanced metrics. Help is at hand with Emergency SOS, Crash Detection, and Fall Detection. Text and call, right from your wrist. Bands Style for miles. New materials, new styles, new colors. Redefine your style with the latest collection of Apple Watch bands. Apple Watch and AirPods Made for each other. You can do so much with Apple Watch and AirPods. Take calls, listen to music and podcasts, and hear incoming notifications — all without taking your iPhone out of your pocket. Legal Disclaimers Bands: Bands for illustrative purposes only and subject to availability. Blood Oxygen: The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app. The Blood Oxygen app is available on Apple Watch Series 6 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models. Compatibility: Apple Watch Series 12, Apple Watch Ultra 4, and Apple Watch SE 3 require iPhone 11 or later with iOS 27 or later. Cycle Tracking: The Cycle Tracking app should not be used for birth control or to diagnose a health condition. Cycle deviation notifications are based solely on the user’s logged cycle history. Cycle deviation notifications inclusive of perimenopause are for people 40 years old or older. These notifications are not intended to replace traditional methods of diagnosis, monitoring, or treatment of perimenopause or menopause. Emergency SOS: Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that cellular service is available. Some cellular networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if it isn’t compatible with or configured to operate on a particular cellular network, if it isn’t set up for cellular service, or if the cellular network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information. Fast Charging: Fast charging is compatible with Apple Watch Series 7 and later, Apple Watch SE 3, and all Apple Watch Ultra models. Feature Availability: Features are subject to change. Some features, applications, and services may not be available in all regions or all languages. See apple.com/watchos/feature-availability for complete list. Heart Rate Sensing: Based on data from an Apple‑conducted study of heart rate accuracy, during July and August 2026, utilizing commercially available best-selling wearables available as of June 2026. For more information, visit apple.com/HRAccuracy. Precision Finding for iPhone: Requires an iPhone and Apple Watch with second‑generation Ultra Wideband chip. Ultra Wideband availability varies by region. For more information, visit support.apple.com/en-us/109512. Temperature Sensing: The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3, and all Apple Watch Ultra models. Water and Dust Resistance: Apple Watch Series 2 and later and Apple Watch SE and later have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. Series 10 and later can also be used for snorkeling to 6 meters. However, they should not be used for scuba diving, waterskiing, or other high-velocity water sports. Apple Watch Ultra models have a water resistance rating of 100 meters under ISO standard 22810:2010. They may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 meters and high-speed water sports. They should not be used below 40 meters. Water resistance is not a permanent condition and can diminish over time. For more information, see support.apple.com/109522. Apple Watch Series 8 and later and Apple Watch Ultra models are rated IP6X dust resistant. Vitals: The Vitals app is for wellness purposes only and not for medical use.