OnePlus Watch 3 43mm
Quick details
Released
July 2025
Dimensions
43.2 x 43.2 x 11.0 mm (excluding PPG sensor)
Operating system
Wear OS 5 + RTOS
Display 1.32 inch AMOLED
Battery life up to 60 hours smart mode
Water resistance 5 ATM; IP68
GPS Yes
Sensors Accelerometer, gyroscope, optical heart rate, SpO2, geomagnetic, ambient light, barometer, dual-band GNSS
Technical specifications
General
Release date 2025-07-08
Product type Smartwatch
Physical size 43.2 x 43.2 x 11.0 mm (excluding PPG sensor)
Weight 37.8 g without strap
Material Stainless steel case, 2.5D glass, fluororubber strap
Water resistance 5 ATM; IP68
Color options Black Steel, Silver Steel
Display type AMOLED
Display size 1.32 inch
Display resolution 466 x 466 pixels, 352 PPI
Display brightness Up to 1,000 nits
Display protection 2.5D glass
Battery Rechargeable battery; 354 mAh typical (345 mAh rated)
Battery life Up to 60 hours smart mode, 36 hours heavy use, 7 days power saver; 10 minutes charging for about 24 hours
Charging Charging base with USB-C cable
Charging time About 60 minutes to full; 10 minutes for about 24 hours
Sensors
GNSS type Built-in dual-band GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature No
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes (100+ sports modes)
Sleep Yes
Heart rate Yes
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate Yes
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android 9.0+ with GMS 23.45.23+; no iOS or Android Go support
Operating system at launch Wear OS 5 + RTOS
Processor Snapdragon W5 Gen 1 + BES2800BP
RAM 2 GB
Storage 32 GB
Bluetooth Yes (5.2)
Wi-Fi Yes (2.4/5 GHz)
NFC / connected pay Yes (Google Wallet)
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant Google Assistant / Gemini (software-dependent)
Links
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These technical specs are correct to the best of our knowledge at the time of publishing.
