Display: 1.92 inches Retina LTPO OLED
Always-on display
Protection: Sapphire crystal glass
IP6X certified, 100m water resistant
Chipset: Apple S9
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
Charging: Wireless
Body
Dimensions: 49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)
Weight: 61.4 g (2.15 oz)
Build: Sapphire crystal front, ceramic/sapphire crystal back, titanium frame
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, 3000 nits (peak)
Size: 1.92 inches
Resolution: 502 x 410 pixels (~338 ppi density)
Protection: Sapphire crystal glass
Always-on display
Platform
OS: watchOS 11
Chipset: Apple S9
CPU: Dual-core
GPU: PowerVR
Memory
Card slot: No
Internal: 64GB
Camera: No
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 (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
Temperature sensing (0.01? accuracy)
Depth gauge (±1m accuracy)
Ultra Wideband (UWB) support
Battery Type: Li-Ion 564 mAh, non-removable
Charging: Wireless, 0-80% in 60 min (advertised)
https://www.apple.com/apple-watch-ultra-2/
