APPLE iWatch Series 1, 42mm standard steel

Generation1 ,Single header

• 42.5 x 36.4 x 10.5 mm (1.52 x 1.31 x 0.41 in)
• 1.5 inches, 7.1 cm2 (~55.1% screen-to-body ratio)
• 340 x 272 pixels (~290 ppi density)
• Splash resistant1,Heart rate sensor,Accelerometer
• Gyroscope,Ambient light sensor, Composite back
• Wi-Fi (802.11b/g/n 2.4GHz), Bluetooth 4.2
• OLED Retina display with Force Touch (450 nits)
• Built-in rechargeable lithium-ion battery, Up to 18 hours,Magnetic charging cable
• IPX7 water resistant up to 1 meter and 30 minutes