OnePlusSmartwatch

OnePlus Watch 3

Name: OnePlus Watch 3
Brand: OnePlus

OnePlus Watch 3 is a smartwatch released in March 2025. Key specs: case size 48 mm, screen size 1.5″, AMOLED / OLED display, battery life (smartwatch mode) 5 days.

6.9Score

Display6.2

Health tracking8.6

Sports & outdoor3.1

Smart features5.6

Build & durability5.2

price range$150–190Reference price converted from EUR

Full specifications

Released: March 2025
Type: Smartwatch
Brand: OnePlus
Popularity: #132 of 796
Series: OnePlus Watch · 4 generations
Model numbers: OPWWE251

48 mmCase size

1.5″Screen size

YesAMOLED / OLED display

5 daysBattery life (smartwatch mode)

5 ATMWater resistance

49.7 gWeight

YesNFC payments

Spec guide

How it ranks among smartwatches of 2025

Spec guide

Screen size · 1.5″Top 39%Battery life (smartwatch mode) · 5 daysBottom 16%Water resistance · 5 ATMBottom 38%Weight · 49.7 gBottom 49%

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

Specifications

Full specifications

Design & durability

Case size: 48 mm
Weight: 49.7 g
Thickness: 11.8 mm
Height: 47.6 mm
Width: 46.6 mm
Case material: Stainless steel
Sapphire crystal: Yes
Lens / cover glass: Sapphire crystal glass
Strap material: Fluorelastomer
Water resistance: 5 ATM
Ingress protection: IP68
Water resistance (IPx): IPx8
Water rating (maker): 50 m / 5 bar / 5 ATM
Military-grade (MIL-STD-810): Yes
Colours: Black titanium, Silver titanium

Display

Screen size: 1.5″
Display technology: AMOLED
Panel: LTPO AMOLED
AMOLED / OLED display: Yes
Always-on display: Yes
Touchscreen: Yes
Resolution (width): 466 px
Resolution (height): 466 px
Pixel density: 310 ppi
Peak brightness: 2,200 nits
LTPO display: Yes
Refresh rate: 60 Hz

Battery

Battery life (smartwatch mode): 5 days
Battery capacity: 648 mAh
Battery type: Li-Ion
Wireless charging: No

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
ECG: Yes
Skin temperature: Yes
Temperature sensor: Yes
Sleep tracking: Yes
Sensors: Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)