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Which Apple Watch is right for you?
Apple Watch Series 10
Apple Watch SE (1st generation)
Apple Watch Series 4
Choose models to compare.
Category
GPS
GPS
GPS
GPS + Cellular
GPS + Cellular
GPS + Cellular
GPS + Cellular
Finish
Titanium
Slate, Gold, Natural
Not Applicable
Not Applicable
Aluminium
Aluminium
Jet Black, Rose Gold, Silver
Aluminium
Space Grey, Silver, Gold
Aluminium
Space Grey, Silver, Gold
Stainless Steel
Not Applicable
Not Applicable
Stainless Steel
Space Black, Silver, Gold
Quick Look
46mm or 42mm case size
44mm or 40mm case size
44mm or 40mm case size
Display
Always‑On Retina LTPO3 OLED display
Wide-angle OLED
Up to 2,000 nits
Up to 40% brighter when viewed at an angle Refer to legal disclaimers
Retina LTPO OLED display
Not Applicable
Up to 1,000 nits
Not Applicable
Retina LTPO OLED display
Not Applicable
Up to 1,000 nits
Not Applicable
Heart Health
ECG app Refer to legal disclaimers
High and low heart rate notifications
Irregular rhythm notifications Refer to legal disclaimers
Low cardio fitness notifications
Blood Oxygen app Refer to legal disclaimers
Not Applicable
High and low heart rate notifications
Irregular rhythm notifications Refer to legal disclaimers
Low cardio fitness notifications
Not Applicable
ECG app Refer to legal disclaimers
High and low heart rate notifications
Irregular rhythm notifications Refer to legal disclaimers
Low cardio fitness notifications
Not Applicable
Sleep
Sleep Tracking
Sleep apnoea notifications Refer to legal disclaimers
Sleep Tracking
Not Applicable
Sleep Tracking
Not Applicable
Vitals
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen and sleep duration Refer to legal disclaimers
Not Applicable
Not Applicable
Women’s Health
Temperature sensing Refer to legal disclaimers
Cycle Tracking with retrospective ovulation estimates Refer to legal disclaimers
Not Applicable
Cycle Tracking Refer to legal disclaimers
Not Applicable
Cycle Tracking Refer to legal disclaimers
Emergency
Emergency SOS Refer to legal disclaimers
International emergency calling Refer to legal disclaimers
Fall Detection and Crash Detection Refer to legal disclaimers
Not Applicable
Emergency SOS Refer to legal disclaimers
International emergency calling Refer to legal disclaimers
Fall Detection Refer to legal disclaimers
Not Applicable
Not Applicable
Not Applicable
Fall Detection Refer to legal disclaimers
Not Applicable
Water resistance
50m
Water resistant Refer to legal disclaimers
Swimproof
Depth gauge to 6m
Water temperature sensor
Not Applicable
Not Applicable
50m
Water resistant Refer to legal disclaimers
Swimproof
Not Applicable
Not Applicable
Not Applicable
Not Applicable
50m
Water resistant Refer to legal disclaimers
Swimproof
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Connectivity
GPS
Cellular and Wi‑Fi only options Refer to legal disclaimers
GPS
Cellular and Wi‑Fi only options Refer to legal disclaimers
GPS
Cellular and Wi‑Fi only options Refer to legal disclaimers
SiP
S10 SiP
Double tap gesture Refer to legal disclaimers
Faster on-device Siri
Precision Finding for iPhone Refer to legal disclaimers
S5 SiP
Not Applicable
Siri
Find iPhone
S4 SiP
Not Applicable
Siri
Find iPhone
Battery
Up to 18 hours Refer to legal disclaimers
Up to 36 hours in
Low Power Mode Refer to legal disclaimers
Low Power Mode Refer to legal disclaimers
Faster charging
(0‑80% in about 30 mins) Refer to legal disclaimers
(0‑80% in about 30 mins) Refer to legal disclaimers
Up to 18 hours Refer to legal disclaimers
Not Applicable
Not Applicable
Up to 18 hours Refer to legal disclaimers
Not Applicable
Not Applicable