·         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

·         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

Built-in GPS/GNSS/BeiDou, S7 with 64-bit dual-core processor, W3 Apple wireless chip, U1 Ultra Wideband chip, Barometric altimeter, Capacity 32GB, Blood oxygen sensor, Third-generation optical heart sensor, Electrical heart sensor, Certified IP6x dust resistant, Improved accelerometer up to 32 g‑forces, Improved gyroscope, Ambient light sensor, Always-On Retina LTPO OLED display with Force Touch (1000 nits), Digital Crown with haptic feedback, Second-generation speaker and mic, Aluminum models have Ion-X front glass, Sapphire crystal and ceramic back, Wi-Fi 802.11b/g/n 2.4GHz, Bluetooth 5.0, Built-in rechargeable lithium-ion battery, Up to 18 hours of battery life, Water resistant 50 meters, watchOS 8