Sizometry

OnePlus Watch 3 43mm Front view

Official manufacturer render.

OnePlus

OnePlus Watch 3 43mm

Watch2025Released
  • 1.3-inch AMOLED
  • Snapdragon W5 Gen 1 + BES2800BP MCU
  • 38 g
  • 354 mAh

Physical specifications

1.3"

Display size

38 g

Weight

43.2 mm

Height

43.2 mm

Width

11.0 mm

Thickness

—

Aspect ratio

Everyday usability

Estimated from the watch’s size, weight, battery, display, and intended wearing conditions.

  • Wrist comfort

    Moderately noticeable

    You will notice its presence on the wrist, though it should stay manageable for daily use.

  • Sleep comfort

    Comfortable

    Its size and weight should remain comfortable for most users overnight.

  • Battery usability

    Data unavailable

    Available battery information is insufficient for a reliable daily-use assessment.

  • Screen and controls

    Good

    Detailed brightness information is unavailable, so outdoor visibility cannot be fully assessed.

  • Workout usability

    Excellent

    Its low weight, water resistance, and GPS support make it well suited to running and gym sessions.

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Display

Display size
1.3"
Display technology
AMOLED
Resolution
466 × 466
Protection
2.5D glass

Performance

Chipset
Snapdragon W5 Gen 1 + BES2800BP MCU
Expandable storage
No

Battery & charging

Typical capacity
354 mAh
Rated capacity
345 mAh
Charging standard
Magnetic charging (≈1 hour to full)
Battery type
Lithium-ion

Build & durability

Frame
Stainless steel
Front
2.5D glass
Ingress protection
5 ATM / IP68

Connectivity

Cellular
GPS / multi-GNSS (Beidou, GPS, Galileo, GLONASS, QZSS)
Bluetooth
Bluetooth 5.2
NFC
Yes

Release and pricing

Announced
July 8, 2025
Released
July 8, 2025

Buying guide FAQ

Practical upgrade and buying answers based on published specifications and previous-generation comparisons when available.

Who should buy OnePlus Watch 3 43mm (2025)?

OnePlus Watch 3 43mm (2025) fits buyers who prefer a compact phone footprint. This is an editorial reading of size and published differences, not a personalized recommendation.

Considering another OnePlus Watch 3 43mm model?

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Models and configurations

Connectivity
GPS / multi-GNSS (Beidou, GPS, Galileo, GLONASS, QZSS)

Official sources

Dimensions and specifications are based on manufacturer-published data. Learn more in our Methodology