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Apple Watch SE (2nd generation)
Apple Watch Series 9
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Images
Category
GPS
GPS
Not Applicable
GPS + Cellular
GPS + Cellular
GPS + Cellular
GPS + Cellular
Finish
Not Applicable
Not Applicable
Titanium
Aluminum
Aluminum
Aluminum
Not Applicable
Stainless steel
Not Applicable
Stainless steel
Not Applicable
Quick Look
44mm or 40mm case size
45mm or 41mm case size
49mm case size
Carbon neutral combinations
Carbon-neutral combinations available
Carbon-neutral combinations available
Carbon-neutral combinations available
Display
Retina display
Up to 1000 nits
Always-On Retina display
Up to 2000 nits
Always-On Retina display
Up to 3000 nits
Chip
S8 SiP
Not Applicable
Find iPhone
S9 SiP
Double tap gesture Refer to legal disclaimers
Precision Finding for iPhone Refer to legal disclaimers
S9 SiP
Double tap gesture Refer to legal disclaimers
Precision Finding for iPhone Refer to legal disclaimers
Blood oxygen
Not Applicable
Not Applicable
High and low heart rate notifications
Irregular rhythm notifications Refer to legal disclaimers
Low cardio fitness notifications
Blood Oxygen app Refer to legal disclaimers
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
ECG app Refer to legal disclaimers
High and low heart rate notifications
Irregular rhythm notifications Refer to legal disclaimers
Low cardio fitness notifications
Temperature sensing
Not Applicable
Cycle Tracking Refer to legal disclaimers
Temperature sensing Refer to legal disclaimers
Cycle Tracking with retrospective ovulation estimates Refer to legal disclaimers
Temperature sensing Refer to legal disclaimers
Cycle Tracking with retrospective ovulation estimates Refer to legal disclaimers
Emergency SOS
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 and Crash Detection Refer to legal disclaimers
Not Applicable
Emergency SOS Refer to legal disclaimers
International emergency calling Refer to legal disclaimers
Fall Detection and Crash Detection Refer to legal disclaimers
Siren
Water resistance
50m
Water resistant Refer to legal disclaimers
Swimproof
Not Applicable
Not Applicable
50m
Water resistant Refer to legal disclaimers
Swimproof
Not Applicable
Not Applicable
100m
Water resistant Refer to legal disclaimers
Swimproof
High-speed water sports
Recreational dive to 40m
Available Cellular Connectivity
GPS
Available cellular connectivity Refer to legal disclaimers
GPS
Available cellular connectivity Refer to legal disclaimers
Precision dual-frequency GPS
Cellular connectivity Refer to legal disclaimers
Battery
Up to 18 hours Refer to legal disclaimers
Low Power Mode
Not Applicable
Up to 18 hours Refer to legal disclaimers
Low Power Mode,
up to 36 hours
up to 36 hours
Fast charging Refer to legal disclaimers
Up to 36 hours Refer to legal disclaimers
Low Power Mode,
up to 72 hours
up to 72 hours
Fast charging Refer to legal disclaimers