PRODUCT OVERVIEWThe 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, take an ECG anytime, and access mindfulness and sleep tracking apps. You can also track dozens of workouts, including new tai chi and pilates.KEY FEATURESAlways-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and useThe most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance, and swimproof designMeasure your blood oxygen with a powerful sensor and appTake an ECG anytime, anywhereGet high and low heart rate, and irregular heart rhythm notificationsStay in the moment with the new Mindfulness app, and reach your sleep goals with the Sleep appTrack new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and danceTrack your daily activity on Apple Watch, and see your trends in the Fitness app on iPhoneSync your favorite music, podcasts, and audiobooksPay instantly and securely from your wrist with Apple PayAll-day battery life and faster charging