Apple Watch Series 3 - Technical Specifications - Apple Support
https://support.apple.com/en-us/111891
WebMay 10, 2023 · Features. GPS, GLONASS, Galileo, and QZSS. Altimeter. Water resistant. 50 meters1. Optical heart sensor. Emergency SOS. Accelerometer. up to 16 g-forces. Gyroscope. Ambient light sensor. Speaker. Microphone. Apple Pay. GymKit. Capacity 16GB. GPS + Cellular. Capacity 8GB. GPS. Ceramic and sapphire crystal back (center)
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