Apple Watch Series 1 with accessories

Dimensions 38mm Height: 38.6mm Width: 33.3mm Depth: 10.5mm Case Weight: 25g 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