BrandAppleApp SupportYesWater ResistanceWater resistance 50m (swimproof)ProcessorS10 chip with 64‑bit dual core processorCharging InfoFast‑charge capable Up to 80% charge in about 45 minutesModelWatch SE 3Control Button2x (Digital Crown & Side Button)CompatibilityiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or laterWeight44mm: Weight (GPS): 32.9 grams, Weight (GPS + Cellular): 33.0 grams | 40mm: Weight (GPS): 26.3 grams, Weight (GPS + Cellular): 26.4 gramsControlDigital Crown with haptic feedback| Side button | Double tap and wrist flick gestures | Siri with on‑device processingDisplayAlways-On Retina display with OLED and LTPO | Tough Ion-X front glass with 4x crack resistance | Up to 1000 nits peak brightness | 2 nits minimum brightness | 326 pixels per inchCPU4‑core Neural EngineDimension44mm: Height: 44mm, Width: 38mm, Depth: 10.7mm, 368 by 448 pixels, 977 sq mm display area, Fits 140–245mm wrists | 40mm: Height: 40mm, Width: 34mm, Depth: 10.7mm, 324 by 394 pixels, 759 sq mm display area, Fits 130–200mm wristsAudioSpeaker | Microphone | Media playbackConnectivityL1 GPS, GNSS, Galileo, and QZSS | 5G12 and LTE | Wi-Fi 4 (802.11n) | Support for 2.4GHz Wi-Fi networks | Bluetooth 5.3 | Apple Pay | GymKit | Support for Apple Watch For Your Kids | International roamingSensorsSecond-generation optical heart sensor | Temperature sensor | Compass | Always-on altimeter | High-g accelerometer | High dynamic range gyroscope | Ambient light sensorBattery LifeUp to 18 hours of normal use | Up to 32 hours in Low Power Mode | Built‑in rechargeable lithium‑ion battery | 15 minutes for up to 8 hours of normal use | 8 minutes for up to 8 hours of sleep tracking 
