Apple Watch Series 8 45mm

Always-On Retina display

Up to 1000 nits brightness

Blood Oxygen app⁵

ECG app⁶

High and low heart rate notifications

Irregular rhythm notification⁷

Cardio fitness notifications

Temperature sensing⁸

Cycle Tracking with retrospective ovulation estimates⁹

Emergency SOS¹⁰

International emergency calling¹¹

Fall Detection

Crash Detection¹⁰

High-g accelerometer

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Cellular available¹²

Supports Family Setup¹³

Connect family members who don’t have an iPhone