Specifications Display Always-On Retina LTPO3 OLED, 374 x 446 pixels, 989 sq mm display area, 1-2000 nits brightness Processor Apple S10 chip with 64-bit dual-core processor, 4-core Neural Engine Storage 64GB OS watchOS 26 Connectivity Wi-Fi 802.11 b/g/n dual-band, Bluetooth 5.3, GPS, GLONASS, GALILEO, QZSS, BDS, NFC, Ultra Wideband (UWB) Battery Life: Up to 24 hours normal use, up to 38 hours Low Power Mode, Fast charging (8 hours use in 15 minutes) Size 42mm (36mm width x 42mm height x 9.7mm depth) Weight 30.3 grams (aluminum GPS model) Sensors Electrical heart sensor, Third-generation optical heart sensor, Blood oxygen sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope Features Hypertension notifications, Sleep score, ECG app, Blood Oxygen app, WR 50M water resistance, IP6X dust resistance, Crash detection, Fall detection, Double tap and wrist flick gestures Case Material Aluminum with Ion-X glass Colors Jet Black, Space Gray, Rose Gold, Silver Band Size Fits 130-200mm wrists (S/M) Compatibility Requires iPhone 11 or later with iOS 26 or later
