Battery Non-removable Li-Ion 205 mAh battery (0.78 Wh)
CPU 520 MHz Cortex-A7
Apple Watch 38mm (1st gen) - Specs
Platform
Chipset
Apple S1 (28 nm)
CPU
520 MHz Cortex-A7
GPU
PowerVR SGX543
OS
watchOS 1.0, upgradable to 4.3.2
System on Chip (SoC)
Display
Size
1.5 inches, 7.1 cm2 (~55.1% screen-to-body ratio)
Protection
Sapphire crystal glass
Resolution
340 x 272 pixels (~290 ppi density)
Type
OLED capacitive touchscreen, 16M colors
3D Touch display
450 nits max brightness (advertised)
Body
Dimensions
38.6 x 33.3 x 10.5 mm (1.52 x 1.31 x 0.41 in)
Weight
40 g body (2.72 oz)
SIM
No
Build
Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
IPX7 water resistant up to 1 meter and 30 minutes
IPX7 water resistant up to 1 meter and 30 minutes
Memory
Card slot
No
Internal
8GB 512MB RAM
Camera
No
Main Camera
Selfie camera
Battery
Non-removable Li-Ion 205 mAh battery (0.78 Wh)
Stand-by
Up to 18 h (mixed usage)
Charging
Wireless charging
Features
Sensors
Accelerometer, gyro, heart rate
Natural language commands and dictation
Misc
Colors
Stainless Steel/Red, White, Brown/Black/Blue/Red/Marigold/Jay Buckle, Blue/Stone Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon