Apple Watch (1st generation) 42mm A1554 Specs

Battery Life Up to 18 hours
Bluetooth Bluetooth 4.0
Display Retina display with Force Touch
IP Rating Splash and water resistant but not waterproof
Material Stainless Steel / Space Black Stainless Steel
Sensors Heart rate sensor
Size 42mm x 35.9mm x 10.5mm depth
Weight 50g
Wi-Fi 802.11b/g/n 2.4GHz
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