Apple Watch
Which Apple Watch is right for you?
44mm or 40mm aluminum case size.
Swimproof
–
–
–
45mm or 41mm aluminum or stainless steel case size.
Swimproof
IP6X dust resistance
–
–
49mm titanium case size
Swimproof19
IP6X dust resistant20
MIL-STD 810H certification21
Action button
Carbon neutral combinations available.
Carbon neutral combinations available.
Carbon neutral combinations available.
Always‑On Retina display
Up to 1000 nits
Retina display
Up to 1000 nits
Always-On Retina Display
Up to 2000 nits
S8 SiP
Siri
Find iPhone
S9 SiP
Double tap gesture
Faster on-device Siri with health data access
Precision Finding for iPhone
S9 SiP
Double tap gesture
Faster on-device Siri with health data access
Precision Finding for iPhone
High and low heart
rate notifications
Irregular heart
rhythm notifications
Low cardio notifications
ECG app3
High and low heart
rate notifications
Irregular heart
rhythm notifications
Low cardio notifications
ECG app3
High and low heart
rate notifications
Irregular heart
rhythm notifications
Low cardio notifications
–
Cycle tracking
Temperature sensing
Cycle tracking
with retrospective
ovulation estimates
Temperature sensing
Cycle tracking
with retrospective
ovulation estimates
Emergency SOS
International emergency calling
Fall detection
Crash detection
–
Emergency SOS
International emergency calling
Fall detection
Crash detection
–
Emergency SOS
International emergency calling
Fall detection
Crash detection
Siren
Water resistant9
Swimproof
–
–
Water resistant9
Swimproof
–
–
Water resistant11
Swimproof
High-speed water sports
Recreational dive to 40m
GPS
Available cellular connectivity12
Supports Family Setup (GPS + Cellular models)13
Connect family members who don’t have an iPhone
GPS
Available cellular connectivity12
Supports Family Setup (GPS + Cellular models)13
Connect family members who don’t have an iPhone
Precision dual‑frequency GPS
Cellular connectivity12
Supports Family Setup (GPS + Cellular models)13
Connect family members who don’t have an iPhone
Up to 18 hours normal use14
Low Power Mode
–
Up to 18 hours normal use15
Up to 36 hours in Low Power Mode15
Fast charging16
Up to 36 hours normal use17
Up to 72 hours in Low Power Mode17
Fast charging16