APPLE WATCH SERIES 1 48MM Grade A

Display:

OLED Retina touchscreen display with Force Touch
Ion-X glass
450 nit brightness
272 by 340 pixels (38 mm), 312 x 390 pixels (42 mm)
Processor: Custom S1P dual-core processor

Sensors: Accelerometer, built-in heart rate sensor, gyroscope, ambient light sensor

Wireless Connectivity:

Wi-Fi 802.11b/g/n 2.4 GHz
Bluetooth 4.0
Haptic Feedback: Taptic Engine and built-in speaker combo for instant tactile feedback

Compatibility: iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus

Miscellaneous Features:

Splash resistant
Apple Pay and Siri support
Special Digital Crown Home button
MagSafe wireless charging