- 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 design
- Measure your blood oxygen with a powerful sensor and app
- Take an ECG anytime, anywhere
- Get high and low heart rate, and irregular heart rhythm notifications
- 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
