OnePlusSmartwatch

OnePlus Watch 3 43mm

Name: OnePlus Watch 3 43mm
Brand: OnePlus

OnePlus Watch 3 43mm is a smartwatch released in July 2025. Key specs: case size 43 mm, screen size 1.32″, AMOLED / OLED display, water resistance 5 ATM.

7.1Score

Display5.7

Health tracking5.0

Sports & outdoor8.0

Smart features5.9

Build & durability5.8

price range$175–220Reference price converted from EUR

Full specifications

Released: July 2025
Type: Smartwatch
Brand: OnePlus
Popularity: #389 of 796
Series: OnePlus Watch · 4 generations

43 mmCase size

1.32″Screen size

YesAMOLED / OLED display

5 ATMWater resistance

37.8 gWeight

YesNFC payments

Spec guide

How it ranks among smartwatches of 2025

Spec guide

Screen size · 1.32″Bottom 24%Water resistance · 5 ATMBottom 38%Weight · 37.8 gTop 38%

Compared with smartwatches released in 2025. Bars show the share of models it beats.

compared with other smartwatches

Why is Watch 3 43mm a good choice?

Pixel density: 352 ppibetter than 92% of smartwatches

Weak points

Water resistance: 5 ATMworse than 90% of smartwatches

Screen size: 1.32″worse than 84% of smartwatches

In rankings

#21Sharpest watch displays

Specifications

Full specifications

Design & durability

Case size: 43 mm
Weight: 37.8 g
Thickness: 11 mm
Height: 43.2 mm
Width: 43.2 mm
Case material: Stainless steel
Water resistance: 5 ATM
Ingress protection: IP68
Water resistance (IPx): IPx8
Colours: Black Steel, Silver Steel

Display

Screen size: 1.32″
Display technology: AMOLED
Panel: AMOLED
AMOLED / OLED display: Yes
Resolution (width): 466 px
Resolution (height): 466 px
Pixel density: 352 ppi
Peak brightness: 1,000 nits
Refresh rate: 60 Hz

Battery

Battery capacity: 354 mAh
Battery type: Li-Ion

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
Sensors: Accelerometer, gyro, barometer, compass, heart rate, SpO2

Sports & navigation

Built-in GPS: Yes
Satellite systems: GLONASS, GALILEO, BDS, QZSS
Barometric altimeter: Yes
Compass: Yes

Connectivity

NFC payments: Yes
LTE (cellular): No
eSIM: No
Wi-Fi: Wi-Fi 4
Bluetooth: 5.2

Smart features

Speaker: Yes
Storage: 32 GB
RAM: 2 GB

Platform

Operating system: Wear OS
Platform: Wear OS
Chipset: Qualcomm Snapdragon W5 Gen 1

Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.

Compare

Compare Watch 3 43mm with

All alternatives

OnePlus Watch 3 43mmvsApple Watch Ultra 37.17.4

OnePlus Watch 3 43mmvsIce Watch ICE Smart ST 2.0

OnePlus Watch 3 43mmvsOnePlus Watch 27.16.3

OnePlus Watch 3 43mmvsOnePlus Watch 47.17.6

OnePlus Watch 3 43mmvsXiaomi Black Shark GS3 Ultra7.16.8

OnePlus Watch 3 43mmvsOPPO Watch S7.17.3

In collections

All collections

Smartwatches: Wear OS9 Smartwatches: NFC payments175 Smartwatches: AMOLED / OLED display + NFC payments245 Smartwatches: AMOLED / OLED display254 Smartwatches: Wear OS15 Smartwatches: NFC payments339 Smartwatches: AMOLED / OLED display477

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7.0