* Bright Always-On Retina OLED display up to 2000 nits * 42mm size * Fast S10 processor * Battery up to 24 hours * Power reserve mode up to 38 hours * Fast charging (0–80% in about 30 minutes) Health Features * ECG app * Heart rate measurement * Irregular rhythm notifications * Blood oxygen measurement * Sleep tracking + Sleep Score * Sleep apnea notifications * Body temperature sensor * Daily activity and sports tracking Safety Features * Fall Detection * Crash Detection * Emergency SOS * International Emergency Calling Sports and Water * Water resistant up to 50 meters * Suitable for swimming * Water temperature sensor * Depth Gauge for measuring depth up to 6 meters * Accurate GPS for sports, walking, and running Intelligence and Control * Double Tap gesture * New Wrist Flick gesture * Precision Finding for iPhone * Supports watchOS 26 * 5G connectivity in Cellular models