Apple Watch Series 7
The 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.