OnePlus Watch specifications

1.39" AMOLED454×454402mAhSTM32L4R9 90.00nm1-core @ 120 MHz1 GB RAM
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The OnePlus Watch is a 2021 smartwatch featuring a 1.39-inch 454×454 AMOLED display and a comprehensive health suite including continuous heart rate, SpO2, barometer, and 110+ workout modes with built-in GPS. Its 5ATM + IP68 water resistance makes it suitable for swimming, and the 402mAh battery targets up to two weeks of regular use. Running a proprietary OS, it pairs with Android phones for notifications, calls, and health data sync.

See full specifications below ↓

Strengths

  • Pro: 1.39-inch AMOLED with sharp 454×454 resolution
  • Pro: Comprehensive health tracking: heart rate, SpO2, sleep, stress, 110+ workouts
  • Pro: Built-in GPS + GLONASS for outdoor activity tracking
  • Pro: 5ATM + IP68 water resistance rated to 50m for swimming
  • Pro: Up to 2-week battery life on a single charge

Weaknesses

  • Con: Proprietary OS limits app ecosystem vs Wear OS or Galaxy Watch
  • Con: Full features require pairing with an Android smartphone
  • Con: No standalone cellular connectivity (LTE)
  • Con: Limited third-party app and watchface support
  • Con: No NFC for contactless payments

Full Specifications

Display

1.39"
Screen Size
0.2MP
Resolution
Size
1.39 inches
Resolution
454 x 454 pixels
Aspect Ratio
1:1
Pixel Density
462 ppi
Technology
AMOLED
Touchscreen
yes, Multi-touch

Chipset & Memory

STM32L4R9
Chipset
90nm
Process
1GB
RAM
Chipset
STM32L4R9 (90nm)
Manufacturer
STMicroelectronics
Process
90 nm
RAM
1 GB
Storage
4 GB

Battery

402 mAh
Battery
Capacity
402 mAh

Design

45g
Weight
46.4x46.4x10.9
Dimensions (mm)
Form Factor
Watch
Dimensions
46.4 x 46.4 x 10.9 mm
Weight
45 g (1.59 oz)
Colors
Midnight Black, Moonlight Silver

Connectivity

5.0, A2DP, LE
Bluetooth
Bluetooth
5.0, A2DP, LE
GPS
GPS, GLONASS, BDS, GALILEO

Features and specifications are subject to change without prior notification.

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