LAUNCH Announced 2022, September 07 Status Available. Released 2022, September 16 BODY Dimensions 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in) Weight 42.3 g (41mm), 51.5 g (45mm) (1.48 oz) Build Glass front, ceramic/sapphire crystal back, stainless steel frame SIM eSIM IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) DISPLAY Type Retina LTPO OLED, 1000 nits (peak) Size 1.9 inches Resolution 484 x 396 pixels (~326 ppi density) Protection Sapphire crystal glass Always-on display PLATFORM OS watchOS 9.0, upgradable to 9.1 Chipset Apple S8 CPU Dual-core GPU PowerVR MEMORY Card slot No Internal 32GB 1GB RAM eMMC 5.1 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 sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) support BATTERY Type Li-Ion 308 mAh, non-removable Charging Wireless