Series 1
Apple Watch
Aluminum case with Sport Band
Dimensions
38mm
Height: 38.6mm
Width: 33.3mm
Depth: 10.5mm
Case Weight: 25g
42mm
Height: 42.5mm
Width: 36.4mm
Depth: 10.5mm
Case Weight: 30g
Chip
Dual‑core processor
Features
Splash resistant1
Heart rate sensor
Accelerometer
Gyroscope
Ambient light sensor
Capacity 8GB
Composite back
Connectivity
Wi-Fi (802.11b/g/n 2.4GHz)
Bluetooth 4.2
Display
OLED Retina display with Force Touch (450 nits)
Ion-X glass (strengthened glass)
272 by 340 pixels (38mm)
312 by 390 pixels (42mm)
Power and Battery
Built-in rechargeable lithium-ion battery
Up to 18 hours2
Magnetic charging cable
