Apple Watch SE

Works with: iPhone only
Display: LTPO OLED
Case sizes: 40 / 44 mm
Water resistance: 5 ATM
Weight: 36.2 g
Cellular: LTE version

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Apple Watch SE at a glance

GPS

Built-in GPS

No maps. Runs and rides without your phone.
Display

LTPO OLED

Up to 1,000 nits.
Health

Heart rate and activity

Heart rate, steps and sleep.
Phone & smart

iPhone only

LTE and payments.
Build

5 ATM water rating

36.2 g. 2 case sizes.

Apple Watch SE full specifications

Overview

Brand	Apple
Model	Apple Watch SE
Series	Apple Watch
Versions	40mm GPS, 40mm GPS + Cellular, 44mm GPS, 44mm GPS + Cellular
Colours	Silver, Space Gray, Gold

Platform & apps

Needs an iPhone, running watchOS.

Operating system	watchOS
Works with	iPhone only
Chipset	S5 SiP
Storage	32 GB

Display

A vivid, high-contrast screen that is easy to read indoors and out.

Up to 1,000 nits.

Display type	LTPO OLED
Display name	Retina LTPO OLED
Resolution	368 x 448
Peak brightness	1,000 nits
Colour display	Yes

Design & durability

Comes in 2 case sizes (40, 44 mm) weighing 36.2 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	40 / 44 mm
Dimensions	44 x 38 x 10.7 mm
Thickness	10.7 mm
Weight (case)	36.2 g
Case material	Aluminum
Back material	Ceramic and sapphire crystal
Water resistance	5 ATM
Water standard	ISO 22810:2010

Battery

All battery modes	Battery saver: 18 hours
Battery type	Lithium-ion
Charging	puck
Wireless charging	Yes

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

GPS	Built-in
Satellite systems	GPS, GLONASS, Galileo, QZSS

Health & sensors

Sensors	optical HR, accelerometer, gyroscope, compass, ambient light
Heart-rate sensor	Second-generation optical heart sensor

Safety

Detects hard falls and can call for help if you don't respond.

SOS works over its own LTE connection.

Emergency SOS	From the watch (LTE)
Fall detection	Yes

Smart features

Smart extras include an LTE version and contactless payments.

LTE needs a carrier plan.

Speaker	Yes
Microphone	Yes
Contactless payments	Yes
Payment service	Apple Pay
Cellular	LTE version available
Wi-Fi	802.11b/g/n 2.4GHz
Bluetooth	Bluetooth 5.0

Diving, golf & more

Diving	None

Specs compiled from Apple's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.