49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)

61.4 g (2.15 oz)

1.92 inches Retina LTPO OLED

502 x 410 pixels (~338 ppi density)

Sapphire crystal glass protection

Always-on display

watchOS 10, upgradable to watchOS 10.1.1

Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)   

Temperature sensing (0.01° accuracy)   

Depth gauge (±1m accuracy)   

Ultra Wideband 2 (UWB) support

Li-Ion 564 mAh, non-removable

Wireless charging

IP6X certified, 100m water resistant

40m swimproof/diving (EN13319)

MIL-STD 810H certified

Sapphire crystal front, ceramic/sapphire crystal back, titanium frame

WLAN

Wi-Fi 802.11 b/g/n, dual-band

Bluetooth

5.3, A2DP, LE

Positioning

GPS, GLONASS, GALILEO, BDS

NFC

Yes

Radio

No

USB

No

GSM/ HSPA/ LTE

eSIM 

Chipset

Apple S9

CPU

Dual-core 

GPU

Power VR

64GB

No card slot

Titanium