Points:

• Dimensions: 46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
• Weight: 29.3g (42mm), 35.3g (46mm) (1.02oz)
• Build: Glass front, ceramic/sapphire crystal back, aluminum frame
• SIM: eSIM
• 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 camera

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, non-removable
• Charging: Wireless, 0-80% in 30 min (advertised)