Apple Watch Series 10 - 42mm

42mm aluminum or titanium case

LTPO3 OLED Always-on Retina display

Wide-angle OLED

Up to 2000 nits

Up to 40% brighter when viewed at an angle

ECG app

High and low heart rate notifications

Irregular rhythm notifications

Low cardio fitness notifications

Sleep tracking

Emergency SOS

50m Water resistant

Swimproof

Depth gauge to 6m

Water temperature sensor

GPS

Cellular and Wi-Fi only options 

S10 SiP

Precision Finding for iPhone

Up to 18 hours

Up to 36 hours in Low Power Mode

Faster charging (0–80% in about 30 minutes)