Specifications for your Apple Watch Series 4

Physical specifications

Dimensions
44 x 38 x 10.7 mm
Weight
48 g
IP rating (protection against dust and water)
Water resistant (up to 50 m)

Screen and keys

Screen type
LTPO OLED touch screen, 16 million colours
Display size
1.78 inches
Resolution
448 x 368 pixels

Picture, video and sound

Music player
Yes
FM radio
No
Speaker
Mono

SIM

SIM type
eSIM

Processor

Chipset
Apple S4
CPU
Dual-core
GPU
PowerVR

Memory

Storage
16 GB
RAM
1 GB RAM

Network

2G network
Yes
3G network
Yes
4G network
Yes
5G network
No

Connectivity

Bluetooth
5.0, A2DP, LE
WiFi
WiFi 802.11 b/g/n
NFC
Yes
GPS
Yes

Sensors

Accelerometer
Yes
Gyroscope
Yes
Compass
No
Barometer
Yes
Heart rate sensor
Yes

Battery

Battery type
Non-removable Li-Ion 292 mAh battery
Standby time
Up to 18 hours

Operating system

Operating system
watchOS 8

Security

Fingerprint sensor
No
Iris scanner
No