Display: 1.96 inches Retina LTPO3 OLED
Always-on display
Protection: Ion-X strengthened glass
IP6X certified, 50m water resistant
Chipset: Apple S10
CPU: Dual-core
GPU: PowerVR
Sensors: Accelerometer, gyro, heart rate,
barometer, always-on altimeter, compass,
SpO2, VO2max, temperature (body)
Temperature sensing (0.01? accuracy)
Natural language commands and dictation
Bluetooth: 5.3, A2DP, LE
Positioning: GPS, GLONASS, GALILEO, QZSS, BDS
Charging: Wireless
Body
Dimensions: 46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
Weight: 36.4 g (1.27 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
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)
Natural language commands and dictation (talking mode)
Ultra Wideband (UWB) support (gen2 chip)
Media playback
Battery Type: Li-Ion 327 mAh, non-removable
Charging: Wireless, 0-80% in 30 min (advertised)
Colors: Jet Black, Rose Gold, Silver
https://www.apple.com/apple-watch-series-10/