Help and Support for
Apple Watch SE 3
watchOS 26
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Specifications - Apple Watch SE 3
Physical specifications
Dimensions
40 x 34 x 10.7 mm (40 mm) / 44 x 38 x 10.7 mm (44 mm)
Weight
26.4 g (40 mm) / 33 g (44 mm)
IP rating (protection against dust and water)
N/A, (water resistant up to 50 m)
Screen and keys
Screen type
LTPO OLED touch screen, 16 million colours, 1000 nits (peak)
Screen size
1.57 inches (40 mm) / 1.78 inches (44 mm)
Resolution
394 x 324 pixels (40 mm) / 448 x 368 pixels (44 mm)
Picture, video and sound
Music player
Yes
FM radio
No
Speaker
Mono
SIM
SIM type
eSIM
Processor
Chipset
Apple S10
CPU
Dual-core
GPU
PowerVR
Memory
Storage
64 GB
RAM
N/A
Network
2G network
Yes
3G network
Yes
4G network
Yes
5G network
Yes
Connectivity
Bluetooth
5.3, A2DP, LE
Wi-Fi
802.11 b/g/n
NFC
Yes
GPS
Yes
Sensors
Accelerometer
Yes
Gyroscope
Yes
Compass
Yes
Barometer
Yes
Heart rate sensor
Yes
Battery
Battery type
Non-removable Li-Ion battery
Standby time
Up to 32 hours (Low Power Mode), Up to 18 hours (normal use)
Operating system
Operating system
watchOS 26
Security
Fingerprint sensor
No
Iris scanner
No