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Apple Watch (1st generation)
Released:2015•OS:watchOS (upgradable up to 4.3.2)
Specifications
Processor
Apple S1 SiP (single-core) ~520 MHz
Display
38mm: Retina OLED (340×272 pixels) approx. 1.5"; 42mm: Retina OLED (390×312 pixels) approx. 1.65" with Force Touch
Battery
Battery Life:Up to ~18 hours typical usage
Charging:Magnetic inductive charging cable included
Sensors
Heart Rate Monitor (optical sensor), Accelerometer, Gyroscope, Ambient Light Sensor
Water Resistance
IPX7 (splash- and water-resistant to 1 m for 30 mins) – not designed for swimming
Connectivity
Wi-Fi 802.11 b/g/n (2.4GHz), Bluetooth 4.0, no built-in GPS, no LTE
Physical Aspects
Design:Stainless steel (or aluminium Sport) case, sapphire crystal front (Sport uses Ion-X glass), ceramic back; digital crown + side button
Weight:38mm stainless steel: ~40 g; 42mm steel: ~50 g (varies by case and strap)
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