Apple Watch Series 1

Works with: iPhone only
Case sizes: 38 / 42 mm
Weight: 30 g

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Apple Watch Series 1 at a glance

Health

Heart rate and activity

Heart rate, steps and sleep.
Phone & smart

iPhone only

Notifications from your phone.
Build

30 g

30 g. 2 case sizes.

Apple Watch Series 1 full specifications

Overview

Brand	Apple
Model	Apple Watch Series 1
Series	Apple Watch
Versions	38mm, 42mm

Platform & apps

Needs an iPhone, running watchOS.

Operating system	watchOS
Works with	iPhone only
Minimum iOS	iOS 11
Chipset	Dual-core processor
Storage	8 GB

Display

Display name	OLED Retina display with Force Touch
Resolution	312 x 390
Peak brightness	450 nits
Touchscreen	Yes
Controls	touchscreen

Design & durability

Comes in 2 case sizes (38, 42 mm) weighing 30 g.

Case sizes	38 / 42 mm
Dimensions	42.5 x 36.4 mm
Weight (case)	30 g
Case material	Aluminum
Lens	Ion-X glass
Back material	Composite back
Band material	Sport Band
IP rating	IPX7
Water standard	IEC 60529

Battery

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

Health & sensors

Sensors	optical HR, accelerometer, gyroscope, ambient light

Smart features

Voice assistant	Siri
Wi-Fi	802.11b/g/n 2.4GHz
Bluetooth	Bluetooth 4.2

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.