Apple Watch Series 3

Works with: iPhone only
Display: 1.65 in
Case sizes: 38 / 42 mm
Water resistance: 5 ATM
Weight: 32.3 g
Cellular: LTE version

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Apple Watch Series 3 at a glance

GPS

Built-in GPS

No maps. Runs and rides without your phone.
Health

Heart rate and activity

Heart rate, steps and sleep.
Phone & smart

iPhone only

LTE and payments.
Build

5 ATM water rating

32.3 g. 2 case sizes.

Apple Watch Series 3 full specifications

Overview

Brand	Apple
Model	Apple Watch Series 3
Series	Series 3
Versions	38mm Aluminum GPS, 42mm Aluminum GPS+Cellular, 38mm Aluminum GPS+Cellular, 38mm Stainless Steel, 42mm Stainless Steel, 38mm White Ceramic, 42mm White Ceramic

Platform & apps

Needs an iPhone, running watchOS.

Operating system	watchOS
Works with	iPhone only
Minimum iOS	latest iOS version
Chipset	S3 SiP with dual-core processor
Storage	8 GB

Display

Display name	Retina OLED display
Screen size	1.65 in
Resolution	312 x 390
Peak brightness	1,000 nits
Colour display	Yes

Design & durability

Comes in 2 case sizes (38, 42 mm) weighing 32.3 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	38 / 42 mm
Dimensions	42.5 x 36.4 mm
Thickness	11 mm
Weight (case)	32.3 g
Case material	Aluminum
Back material	Composite back
Band material	Sport Band
Water resistance	5 ATM
Water standard	ISO 22810:2010

Battery

All battery modes	Battery saver: 18 hours
Battery type	Li-ion
Charging	proprietary-plug

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, ambient light, altimeter

Smart features

Smart extras include an LTE version and contactless payments.

Voice assistant: Siri. LTE needs a carrier plan.

Speaker	Yes
Microphone	Yes
Voice assistant	Siri
Contactless payments	Yes
Payment service	Apple Pay
Cellular	LTE version available
Wi-Fi	Wi-Fi 4 2.4GHz
Bluetooth	Bluetooth 4.2

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.