BODY

Dimensions49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)Weight61.3 g (2.15 oz)BuildSapphire crystal front, ceramic/sapphire crystal back, titanium frameSIMeSIM IP6X certified
100m water resistant (WR100)
40m swimproof/diving (EN13319)
MIL-STD 810H certified
ECG certified (region dependent SW application; HW available on all models)

DISPLAY

Type	Retina LTPO OLED, 2000 nits (peak)
Size	1.92 inches
Resolution	502 x 410 pixels (~338 ppi density)
Protection	Sapphire crystal glass
	Always-on display

PLATFORM

OS	watchOS 9.0, upgradable to watchOS 10.6
Chipset	Apple S8
CPU	Dual-core
GPU	PowerVR

MEMORY

Card slot	No
Internal	32GB

SOUND

Loudspeaker	Yes, with dual speakers (86-decibel)
3.5mm jack	No

COMMS

WLAN	Wi-Fi 802.11 b/g/n, dual-band
Bluetooth	5.3, A2DP, LE
Positioning	GPS (L1+L5), GLONASS, GALILEO, BDS
NFC	Yes
Radio	No
USB	No

FEATURES

Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
	Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support

BATTERY