Apple Watch SE 3


Product Details:


General

  • Case sizes: 40 mm and 44 mm

  • Case thickness: 10.7 mm

  • Materials: Aluminum (made with recycled aluminum)

  • Display resolution:
    • 40 mm – 324 x 394 pixels (about 759 mm² display area)
    • 44 mm – 368 x 448 pixels (about 977 mm² display area)

  • Display type: Retina LTPO OLED (now with Always-On Display, a first for the SE line)

  • Brightness: Around 1000 nits

Performance and Connectivity

  • Processor: Apple S10 SiP (64-bit dual-core processor with 4-core Neural Engine)

  • Storage: 64 GB

  • Connectivity: GPS and GPS + Cellular models, now with 5G capability

  • Wireless: Wi-Fi, Bluetooth, Ultra Wideband

  • Battery life: Up to 18 hours of typical use

  • Fast charging: About 15 minutes gives roughly 8 hours of use; 0–80% in about 45 minutes

Health and Fitness

  • Sensors: Optical heart rate sensor, accelerometer, gyroscope, compass, always-on altimeter

  • New features: Sleep Score tracking and sleep apnea detection

  • Includes fall detection, crash detection, and emergency SOS

  • Does not include ECG or Blood Oxygen sensors (these are reserved for higher-end models)

  • Supports new on-device gestures such as double tap and wrist flick

Durability and Design

  • Water resistance: 50 meters (5 ATM)

  • Glass: Ion-X strengthened glass, four times more crack resistant than previous SE generation

  • Colors: Midnight and Starlight finishes for the aluminum case

Other Details

  • Operating system: watchOS 11 at launch (upgradable to watchOS 26)

  • Compatibility: Requires iPhone 11 or later running iOS 26 or later

  • Weight: Approximately 26.3 grams (40 mm GPS) and 32.9 grams (44 mm GPS)

  • Charging: Magnetic fast charger to USB-C cable included




Top