Apple Watch SE 3 (44mm)

ModelApple Watch SE 3 (40 mm & 44 mm)

DisplayAlways-On Retina LTPO OLED

Display Size~1.57″ (40 mm) / ~1.78″ (44 mm)

Resolution324×394 px (40 mm) / 368×448 px (44 mm)

Display Area~759 mm² (40 mm) / ~977 mm² (44 mm)

ChipApple S10 with dual-core CPU + 4-core Neural Engine

Storage64 GBC

ase MaterialAluminium (Midnight, Starlight)

Dimensions (44 mm)44 × 38 × 10.7 mm

Weight~26.3–26.4 g (40 mm) / ~32.9–33.0 g (44 mm)

ConnectivityWi-Fi, Bluetooth, Optional 5G (Cellular models)

GPSBuilt-in GPS / GLONASS / Galileo

Battery LifeUp to ~18 hrs normal use; ~32 hrs in Low Power Mode

Fast ChargingFast-charge capable (15 min for ~8 hrs use, ~80 % in ~45 min)

Water Resistance50 m (ISO 22810)

SensorsAccelerometer, Gyroscope, Heart Rate, Wrist Temperature

Health & SafetyCrash Detection, Fall Detection, High/Low Heart Rate Notifications, Sleep Tracking

ControlsDigital Crown (haptic), Side Button, Double-tap & Wrist-flick Gestures

OSwatchOS 26 (or later)