USED Apple Watch S7 45mm Blue Aluminum

Originally released October 2021

S7 with 64-bit dual-core processor

Electrical heart sensor (ECG app)¹

Water resistant to 50 metres²

Always-On Retina LTPO OLED display (1,000 nits brightness)

802.11b/g/n 2.4GHz and 5GHz

Bluetooth 5.0

Built-in rechargeable lithium-ion battery (up to 18 hours³)

Third-generation optical heart sensor

Accelerometer: up to 32 g-forces with Fall Detection

Gyroscope

Ambient light sensor

Capacity 32GB

Ceramic and sapphire crystal back