Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel and titanium cases
S6 SiP with 64-bit dual-core processor up to 20 per cent faster than S5
W3 Apple wireless chip
U1 chip (Ultra Wideband)
Wi-Fi (802.11b/g/n 2.4GHz and 5GHz)
Bluetooth 5.0
Built-in rechargeable lithium-ion battery
Magnetic charging cable
Dimensions
Height: 44mm
Width: 38mm
Depth: 10.7mm
Case Weight: 36.5g
Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.
The ECG app and irregular rhythm notification require the latest version of watchOS and iOS, and are not intended for use by people under 22 years old. The ECG app is available on Apple Watch Series 4 or later (not including Apple Watch SE). The irregular rhythm notification is not designed for people who have been previously diagnosed with AF.