Watch Series 3

Display

Screen size 1.7 in

Panel type Retina OLED, 1000 nits (peak)

Resolution 390 x 312 pixels (~303 ppi density)

Screen protection Sapphire crystal glass

Performance

Chipset Apple S3

CPU Dual-core

GPU PowerVR

Expandable storage (microSD) No

OS platform Other

Operating system (version) watchOS 4.0, upgradable to 8.7

Camera

Optical image stabilization (OIS) No

Battery & Charging

Battery capacity 341 mAh

Wireless charging Yes

Reverse wireless charging No

Build

Weight 52.8 g

Dimensions 42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)

Build materials Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame

Colors available Space Black, Silver

SIM type eSIM

Connectivity

5G support No

Bluetooth version 4.2, A2DP, LE

Wi-Fi standard Wi-Fi 802.11 b/g/n

NFC Yes

GPS / satellite positioning Yes

Charging port No

3.5mm headphone jack No

FM radio No

Release

Release date Sep 2026