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Network
Technology
No cellular connectivity
Launch
Announced
2014, September. Released 2015, July
Status
Discontinued
Body
Dimensions
38.6 x 33.3 x 10.5 mm (1.52 x 1.31 x 0.41 in)
Weight
55 g body (3.35 oz)
Build
Glass front (Sapphire crystal), ceramic back, 18-karat yellow/rose gold frame
SIM
No
Display
Type
Retina OLED, 450 nits (peak)
Resolution
340 x 272 pixels (~290 ppi density)
Protection
Sapphire crystal glass
Platform
OS
watchOS 1.0, upgradable to watchOS 4.3.2
Chipset
Apple S1 (28 nm)
CPU
520 MHz Cortex-A7
GPU
PowerVR SGX543
Memory
Internal
8GB 512MB RAM
Main Camera
Cameras
No
Connectivity
Wi-Fi
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, LE
GPS
No
NFC
Yes
USB
No
Features
Sensors
Accelerometer, gyro, heart rate
Battery
Battery
Li-Ion 205 mAh (0.78 Wh), non-removable
More Watch Comparisons
Network
Technology
No cellular connectivity
Launch
Announced
2014, September. Released 2015, July
Status
Discontinued
Body
Dimensions
38.6 x 33.3 x 10.5 mm (1.52 x 1.31 x 0.41 in)
Weight
55 g body (3.35 oz)
Build
Glass front (Sapphire crystal), ceramic back, 18-karat yellow/rose gold frame
SIM
No
Display
Type
Retina OLED, 450 nits (peak)
Resolution
340 x 272 pixels (~290 ppi density)
Protection
Sapphire crystal glass
Platform
OS
watchOS 1.0, upgradable to watchOS 4.3.2
Chipset
Apple S1 (28 nm)
CPU
520 MHz Cortex-A7
GPU
PowerVR SGX543
Memory
Internal
8GB 512MB RAM
Main Camera
Cameras
No
Connectivity
Wi-Fi
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, LE
GPS
No
NFC
Yes
USB
No
Features
Sensors
Accelerometer, gyro, heart rate
Battery
Battery
Li-Ion 205 mAh (0.78 Wh), non-removable