Device guides for

Apple Watch Series 3

Most searched guides

Set up mobile data on your Apple Watch Personalise the Apple Watch home screen Activate your Apple Watch Use Siri

Getting started

Basic functions

Calls and contacts

Messaging

Apps

Connectivity

Troubleshooting

Specifications

Physical specifications

Dimensions

42.5 x 36.4 x 11.4 mm

Weight

52.8 g

Screen and keys

Screen type

AMOLED

Screen size

1.65 inches

Resolution

390 x 312 pixels

Picture, video and sound

Music player

Yes

FM radio

No

Memory

Storage

16 GB

RAM

768 MB RAM

Network

2G network

Yes

3G network

Yes

4G network

Yes

Connectivity

NFC

Yes

GPS

Yes

Sensors

Accelerometer

Yes

Gyroscope

Yes

Heart rate sensor

Yes

Battery

Standby time

Up to 18 hours

Operating system

Operating system

watchOS 4