APPLE iWatch Series 2, 42mm standard steel

Generation2 ,Single header

• 42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
• Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
• OLED capacitive touchscreen, 16M colors
• 390 x 312 pixels (~303 ppi density)
• Sapphire crystal glass, 3D Touch display
• Wi-Fi 802.11 b/g/n, Bluetooth: 4.0, A2DP
• Accelerometer, gyro, heart rate
• 18 hours Battery Life