44mm or 40mm case size

-

-

-

-

Retina display

Up to 1000 nits brightness

-

Water resistant ⁹

Swimproof

-

-

-

-

-

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

-

-

Cycle tracking ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

-

Redesigned Compass app with waypoints and backtrack

GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 18 hours ²⁰

-

45mm or 41 mm case size

Edge-to-edge display

Certified IP6X dust resistant ⁵

-

-

Always-On Retina display

Up to 1000 nits brightness

Nearly 20% more screen area than Apple Watch SE

Water resistant ⁹

Swimproof

-

-

-

Blood Oxygen app ¹²

ECG app ¹³

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

-

Temperature sensing ¹

Cycle tracking with retrospective ovulation estimates ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

-

Redesigned Compass app with waypoints and backtrack

GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 18 hours ²⁰

Fast charge ²¹

45mm or 41 mm case size

Edge-to-edge display

Certified IP6X dust resistant ⁵

-

-

Always-On Retina display

Up to 2000 nits brightness

Nearly 20% more screen area than Apple Watch SE

Water resistant ⁹

Swimproof

-

-

-

Blood Oxygen app ¹²

ECG app ¹³

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

Sleep apnea notifications ³

Temperature sensing ¹

Cycle tracking with retrospective ovulation estimates ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

-

Redesigned Compass app with waypoints and backtrack

GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 18 hours ²⁰

Fast charge ²¹

49mm case size

Flat sapphire front crystal with display edge protection

Certified IP6X dust resistant ⁵

Tested to MIL-STD 810H ⁷

Customizable Action button

Always-On Retina display

Up to 2000 nits brightness

Nearly 27% more screen area than Apple Watch SE

Water resistant ⁹

Swimproof and recreational dive to 40m

EN13319 certification

Depth gauge with water temperature sensor

Oceanic+ app for use as a dive computer (available on App Store) ¹¹

Blood Oxygen app ¹²

ECG app ¹³

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

-

Temperature sensing ¹

Cycle tracking with retrospective ovulation estimates ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

86-decibel Siren to attract attention

Audible up to 600 feet

Redesigned Compass app with waypoints and backtrack

Precision dual-frequency GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 36 hours ²⁰

Fast charge ²¹

49mm case size

Flat sapphire front crystal with display edge protection

Certified IP6X dust resistant ⁵

Tested to MIL-STD 810H ⁷

Customizable Action button

Always-On Retina display

Up to 3000 nits brightness

Nearly 27% more screen area than Apple Watch SE

Water resistant ⁹

Swimproof and recreational dive to 40m

EN13319 certification

Depth gauge with water temperature sensor

Oceanic+ app for use as a dive computer (available on App Store) ¹¹

Blood Oxygen app ¹²

ECG app ¹³

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

Sleep apnea notifications ³

Temperature sensing ¹

Cycle tracking with retrospective ovulation estimates ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

Siren

Redesigned Compass app with waypoints and backtrack

Precision dual-frequency GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 36 hours ²⁰

Fast charge ²¹

46mm or 42 mm case size

-

Certified IP6X dust resistant ⁵

-

-

Wide-angled OLED Always-On Retina display

Up to 2000 nits brightness

Nearly 30% more screen area than Apple Watch SE

Water resistant ⁹

Swimproof

-

-

-

Blood Oxygen app ¹²

ECG app ¹³

High and low heart rate notifications ¹⁴

Irregular rhythm notification ¹⁴

Cardio fitness notifications

Sleep tracking

Sleep apnea notifications ³

Temperature sensing ¹

Cycle tracking with retrospective ovulation estimates ¹⁵

Emergency SOS ²

International emergency calling ¹⁶

Fall Detection

Crash Detection ²

High-g accelerometer

Gyroscope

Compass Backtrack

-

Redesigned Compass app with waypoints and backtrack

GPS

Always-on altimeter

Available cellular connectivity ¹⁷

International roaming ¹⁸

Supports Family Setup
(GPS + Cellular models) ³

Connect family members who don't have an iPhone

Up to 18 hours ²⁰

Fast charge ²¹