Specifications Display 324 x 394 pixels LTPO OLED Retina, Always-On, 1000 nits peak brightness, Ion-X glass Chip S10 chip with 64-bit dual core processor, 4-core Neural Engine Storage 64GB OS watchOS 26 Connectivity GPS, Bluetooth, Wi-Fi Battery Up to 18 hours, fast charging (80% in 45 minutes) Weight 26.3 grams Case Size 44mm (Height) x 34mm (Width) x 10.7mm (Depth) Case Material Aluminum Band Size S/M (fits 130-200mm wrists) Sensors Second-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor Features Digital Crown with haptic feedback, Double tap and wrist flick gestures, Siri with on-device processing, Water resistance 50 meters (5 ATM), Fall Detection, Crash Detection, Sleep tracking with sleep score, Temperature sensing, Cycle Tracking, Heart rate notifications, Sleep apnea notifications Colors Starlight, Midnight
