Apple Watch SE 3 Specifications:
- Display: Always-On OLED LTPO panel with a custom Ion-X cover glass (4x more crack-resistant), 326 PPI, Up to 1,000 nits peak brightness
- Sizes: 40mm and 44mm
- Case Material: Aluminum
- S10 chip with 64‑bit dual-core processor with 4‑core Neural Engine
- watchOS 26
- 64GB storage
- Sensors: Second-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range, gyroscope, Ambient light sensor
- Health Features: Sleep score, sleep apnea notifications, wrist temperature sensing, retrospective ovulation estimates, heart health notifications, and Cycle Tracking.
- Safety Features: Fall Detection, Crash Detection, Emergency SOS, International emergency calling, Noise monitoring, Backtrack
- Water resistance 50 m (swimproof)
- Gestures: Double-tap and wrist flick.
- Key Software Features: On-device Siri, Workout Buddy, Liquid Glass UI, Notes app, Live Translation.
- Audio: Built-in speaker for media playback and Voice Isolation for calls.
- Battery Life: Up to 18-hour battery life in normal use, up to 32 hours in Low Power Mode
- Charging: Fast charging (~80% in 45 minutes)
- Connectivity: 5G & LTE, Wi-Fi 4 (802.11n), L1 GPS, GNSS, Galileo and QZSS, Bluetooth 5.3
- Weight: 33.0 g (44mm); 26.4 g (40mm)
- Colors: Midnight and Starlight