Apple Watch Series 8 GPS 45mm

– 41mm case size
-50m water resistant
-Swimproof
-Certified IP6X dust resistant
-Always-On Retina display
-Up to 1000 nits brightness
-Blood Oxygen app -ECG app
-High and low heart rate notifications
-Irregular rhythm notificationfootnote
-Cardio fitness notifications
-Temperature sensing
-Cycle Tracking with retrospective ovulation estimates
-Emergency SOSfootnote
-International emergency callingfootnote
-Fall Detection -Crash Detectionfootnote
-High-g accelerometer