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Compare the full technical characteristics of the phone. Side by side specifications.

Apple Watch 42mm (1st gen)
April 20, 2014	Released:
watchOS 1.0, upgradable to 4.3.2	Operating System:
Stainless Steel/Red, White, Brown/Black/Blue/Marine Blue Buckle, Blue/Stone/White/Storm Gray Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon	Colors:
A1554	Models:
Display
1.65 inches	Size:
390 x 312 pixels (303 ppi density)	Resolution:
Retina OLED, 450 nits (peak)	Type:
Sapphire crystal glass	Protection:
Body
42.00 mm	Height:
35.90 mm	Width:
10.50 mm	Thickness:
50.00	Weight:
	Foldable:
No	Water Resistant:
Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame	Material:
No	SIM:
Rear Camera
	Number of Cameras:
	Camera Resolutions:
	Video Resolution:
	Features:
Front (Selfie) Camera
	Camera Resolutions:
	Video Resolution:
	Features:
Battery
Li-Ion 250 mAh (0.94 Wh), non-removable	Battery Capacity:
Wireless charging	Charging:
Hardware
Apple S1 (28 nm)	Chipset:
520 MHz Cortex-A7	Processor:
PowerVR SGX543	GPU:
8GB 512MB RAM	Memory:
No	Memory Card Slot:
Accelerometer, gyro, heart rate	Sensors:
No	Radio:
No	Audio Jack 3.5 mm:
Natural language commands and dictation	Other:
Network & Connectivity
Wi-Fi 802.11 b/g/n	Wi-Fi:
4.0, LE	Bluetooth:
No	USB:
No	GPS:
Yes	NFC:
	Technology: