NETWORK Technology
GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA
4G bands LTE
Speed HSPA 42.2/5.76 Mbps, LTE
LAUNCH Announced 2018, September
Status Available. Released 2018, September
BODY Dimensions 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight 48 g (1.69 oz)
Build Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
SIM eSIM
50m water resistant
ECG certified (region dependent SW application; HW available on all models)
DISPLAY Type Retina LTPO OLED capacitive touchscreen, 16M colors
Size 1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)
Resolution 448 x 368 pixels (~326 ppi density)
Protection Sapphire crystal glass
3D Touch display
1000 nits max brightness (advertised)
PLATFORM OS watchOS 5.0, upgradable to 7.0
Chipset Apple S4
CPU Dual-core
GPU PowerVR
MEMORY Card slot No
Internal 16GB 1GB RAM
CAMERA No
SOUND Loudspeaker Yes
3.5mm jack No
COMMS WLAN Wi-Fi 802.11 b/g/n
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, QZSS
NFC Yes
Radio No
USB No
FEATURES Sensors Accelerometer, gyro, heart rate (2nd gen), barometer
Natural language commands and dictation (talking mode)
BATTERY Type Non-removable Li-Ion 292 mAh battery (1.12 Wh)
Charging Wireless charging
Stand-by Up to 18 h (mixed usage)