The largest, most advanced Always-on Retina display yet makes everything you do with your Apple Watch Series 7 bigger and better. Series 7 is the most durable Apple Watch ever built, with an even more crack-resistant front crystal. Advanced features let you measure your blood oxygen level,¹ take an ECG anytime,² and access mindfulness and sleep tracking apps. You can also track dozens of workouts, including new tai chi and pilates. Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance, and swimproof design³ Measure your blood oxygen with a powerful sensor and app²Take an ECG anytime, anywhere¹ Get high and low heart rate, and irregular heart rhythm notifications⁴ Stay in the moment with the new Mindfulness app, and reach your sleep goals with the Sleep app Track new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and dance Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone Sync your favorite music, podcasts, and audiobooks Pay instantly and securely from your wrist with Apple Pay All-day battery life and faster charging⁵ watchOS 8 introduces new workout types, the Mindfulness app, the new Portraits watch face, and enhancements to Messages Apple Watch comes with 3 free months of Fitness+, featuring world-class workouts by the world’s top trainers⁶ Stay connected to family and friends with calls, texts, and email, even when you don't have your phone⁷ Stream music, podcasts, and audiobooks on the go, and leave your phone at home⁷ Set up and manage Apple Watch for each family member, right from your iPhone, with Family Setup⁸ Apple Watch Series 7 requires an iPhone 6s or later with iOS 15 or later.