Emergency SOS:Yes, Allows users to quickly call emergency services by pressing and holding the side button. It also notifies emergency contacts and shares location when activated
ECG Electrocardiogram:Yes
Double Tap Gesture:Yes
Blood Oxygen Sensor:Yes
Calorie Tracker:Yes
Compatibility:Requires iPhone Xs or later with iOS 17 or later
GPU:PowerVR
CPU:Dual-core processor
Chipset:Apple S9
Sensors:Blood oxygen sensor, electrical heart sensor, third-generation optical heart sensor, temperature sensor, compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor
NFC:Yes
Loudspeaker:Yes
Microphone:Yes
Touchscreen:Yes
Bluetooth:Bluetooth 5.3
WLAN:Wi-Fi 4
WiFi:Yes
Network:GPS
Power and Battery Life:Up to 18 hours of usage; up to 36 hours in Low Power Mode
Charging:Fast charging with Magnetic Fast Charger to USB-C cable
Battery Type:Li-Ion battery, non-removable
USB:No
Resolution:396 x 484 pixels (~326 ppi density)
Display Size:1.9 inches
Display Type:Retina LTPO OLED, Always-On Display, up to 2,000 nits brightness
Body Material:Aluminum frame, front glass, back made of ceramic and sapphire crystal
Weight:38.7 grams
Dimension:45 x 38 x 10.7 mm
Maximum OS Supported:watchOS 11.3
OS:watchOS 10
