Display: 1.77 inches Retina LTPO3 OLED
Always-on display
Protection: Sapphire crystal glass
IP6X certified, 50m water resistant
Chipset: Apple S11
CPU: Dual-core
GPU: PowerVR
Sensors: Accelerometer, gyro, heart rate,
barometer, always-on altimeter, compass,
SpO2, VO2max, temperature (body-water)
Temperature sensing (0.01? accuracy)
Bluetooth: 5.3, A2DP, LE
Positioning: GPS, GLONASS, GALILEO, QZSS, BDS
Charging: Wireless
Body
Dimensions: 42 x 37 x 9.7 mm (1.65 x 1.46 x 0.38 in)
Weight: 32.2 g (1.13 oz)
Build: Glass front (Ceramic Shield 2), zirconia back, aluminum case
– 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: 1.77 inches
Resolution: 446 x 374 pixels (~326 ppi density)
Protection: Ceramic Shield 2
– Wide-angle OLED
Platform
OS: watchOS 27
Chipset: Apple S11
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, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
Health Sensing System: third-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor
– Temperature sensing (0.01? accuracy)
– Ultra Wideband (UWB) support (gen2 chip)
– Media playback
Battery Type: Li-Ion
Charging: Wireless, 0-80% in 30 min
Colors: Dark Bronze, Light Gold, Black, Space Gray
https://www.apple.com/apple-watch-series-12/
