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Track your activity. Measure your workouts. Monitor your health. Stay up to date with the people and information you care about most. Apple Watch Series 1 lets you do it all in an instant, thanks to a powerful dual-core processor.
S1P dual-core processor Splash-resistant1 Ion-X glass OLED Retina display with Force Touch (450 nits) Composite back Digital Crown Heart rate sensor, accelerometer and gyroscope Ambient light sensor Speaker and microphone Wi-Fi (802.11b/g/n 2.4GHz) Bluetooth 4.0 Up to 18 hours of battery life3 watchOS 3