Specifications

Dimensions and weight

Dimensions 42.5 x 36.4 x 11.4 mm
Weight 52.4 g

Memory

Storage 8 GB
RAM 512 MB RAM

Display

Screen type AMOLED
Screen size 1.65 inches
Resolution 390 x 312 pixels

Operating system

Operating system watchOS 4

Network

2G network No
3G network No
4G network No

Data & Wireless

Bluetooth Yes
Wi-Fi Yes
NFC Yes
GPS Yes

Picture, video and sound

Camera No
Video recorder No
Music player Yes
FM radio No
Siri Yes

Communication

Voice calls Yes
Video calls No
iMessage Yes
Text messaging Yes
Picture messaging Yes
Email Yes

Sensors

Accelerometer Yes
Gyroscope Yes
Heart rate sensor Yes

Battery

Standby time Up to 18 hours