Description
Display and Design
- Display: Always-On Retina LTPO OLED, 352 by 430 pixels, 904 sq mm display area
- Case material: Aluminum (for GPS models) or Stainless Steel (for GPS + Cellular models)
- Crystal: Ion-X glass for aluminum cases, Sapphire crystal for stainless steel cases
- Dimensions: 41mm height, 35mm width, 10.7mm depth
- Weight: 31.9g (GPS aluminum model)
Performance and Storage
- Processor: S8 SiP with 64-bit dual-core processor
- Chip: W3 wireless chip and U1 chip (Ultra Wideband)
- Storage: 32GB
- Operating System: watchOS
- Wireless: Wi-Fi (802.11 b/g/n), Bluetooth 5.0
Sensors and Health
- Sensors: Electrical heart sensor (ECG app), blood oxygen sensor, third-generation optical heart sensor, high-g accelerometer, high-dynamic-range gyroscope, ambient light sensor, and temperature sensing
- Health features: High and low heart rate notifications, irregular rhythm notification, Cycle Tracking with retrospective ovulation estimates
- Emergency features: International Emergency Calling, Emergency SOS, and Crash Detection
Durability and Resistance
- Water resistance: 50 meters
- Dust resistance: Certified IP6X
- Other: Crack-resistant front crystal
Charging and Battery
- Battery: Built-in rechargeable lithium-ion battery
- Charging: Fast charging with magnetic charging to USB-C cable
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