GPS/Bluetooth
Dimensions
46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
Weight
29.3 g (42mm), 35.3 g (46mm) (1.02 oz)
Build
Glass front, ceramic/sapphire crystal back, aluminum frame
IP6X certified
50m water resistant
ECG certified (region dependent SW application; HW available on all models)
Depth gauge to 6m
DISPLAY
Type
Retina LTPO3 OLED, 2000 nits (peak)
Size
1.96 inches
Resolution
496 x 416 pixels (~330 ppi density)
Protection
Ion-X strengthened glass
Always-on display
Wide-angle OLED
PLATFORM
OS
watchOS 11, upgradable to watchOS 11.1
Chipset
Apple S10
CPU
Dual-core
GPU
PowerVR
MEMORY
Card slot
No
Internal
64GB
CAMERA
No
SOUND
Loudspeaker
Yes
3.5mm jack
No
COMMS
WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.3, A2DP, LE
Positioning
GPS, GLONASS, GALILEO, QZSS, 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)
Ultra Wideband (UWB) support (gen2 chip)
Media playback
BATTERY
Type
Li-Ion 327 mAh, non-removable
Charging
Wireless, 0-80% in 30 min (advertised)
SAR
1.08 W/kg (head)
SAR EU
0.26 W/kg (head) 0.83 W/kg (body)