Blackview · 2021
R3 Size, Dimensions & Wrist Fit
Case Width
35.5mm
Thickness
11mm
Lug-to-Lug
41.5mm
Weight
33g
The R3 looks in proportion on wrists of 13–18.5 cm (5.1–7.3 in) round, and fills the wrist at 13.5–15 cm (41.5mm lug to lug).
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Does the R3 fit your wrist?
| Wrist round (mm left each side) | 35.5mm |
|---|---|
| 14 cm / 5.5 in | Sweet spot (1.8mm) |
| 15 cm / 5.9 in | Sweet spot (3.4mm) |
| 16 cm / 6.3 in | Balanced (5.1mm) |
| 17 cm / 6.7 in | Balanced (6.7mm) |
| 18 cm / 7.1 in | Balanced (8.3mm) |
| 19 cm / 7.5 in | Understated (9.9mm) |
| 20 cm / 7.9 in | Understated (11.5mm) |
The R3 in short
- Rated for 7 days of use per charge.
- 33g on the wrist.
- 1.3 inches AMOLED display.
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Size, fit and battery side by side, against any smartwatch we list.
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R3 battery life
Published runtime
- Battery life7 days
Charges in 2 hours
Where it ranks among Blackview watches
- Everyday use7 days#6 of 8
- Capacity220 mAh#6 of 8
Settings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Blackview R3 35.5mm × 41.5mm · 11mm thick
3D preview
Blackview R3 on a wrist
Alternatives to the R3
R3 specifications
- Battery life
- 7 days
- Display
- 1.3 inches
- Resolution
- 240 x 240 px
- Water rating
- Sweat resistant
- Charging
- 2 hours
Show all specificationsBlackview's published specification, for reference · checked September 2026
Design
- width
- 35.5
- height
- 41.5
- volume
- 16.21 cm³
- weight
- 33 g
- thickness
- 11
- resolution
- 240 x 240 px
- screen size
- 1.3 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 261 ppi
- water resistance
- Sweat resistant
- Always-On Display
- No
- has a touch screen
- Yes
- is designed for kids
- No
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
- No
Battery
- charge time
- 2 hours
- battery life
- 7 days
- battery power
- 220 mAh
- has wireless charging
- No
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
Sensors
- has GPS
- No
- has a compass
- No
- Has a barometer
- No
- has a gyroscope
- Yes
- Has a cadence sensor
- No
- has an accelerometer
- Yes
- Monitors perspiration
- No
- Has a heart rate monitor
- Yes
- Has a temperature sensor
- No
- Monitors blood oxygenation levels
- Yes
Features
- release date
- 2021-01-14
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 1 years
- Has call control
- No
- Has silent alarm
- Yes
- Has notifications
- Yes
- Has ECG technology
- No
- Locates your phone
- No
- has fall detection
- No
- has voice commands
- No
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- Can be used to answer calls
- No
- has irregular heart rate warnings
- No
- Has a built-in camera remote control function
- No
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- supports Galileo
- No
- Bluetooth version
- 5
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- Has passcode
- No
- Is compatible with Windows
- No
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Has coaching
- No
- Supports routes
- No
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Can be personalised
- No
- Has weight tracking
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has temperature tracking
- No
- Doesn’t require account
- No
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- Yes
- Tracks distance
- Yes
- Tracks elevation
- No
- Designed for golf
- No
- Tracks your sleep
- Yes
- Tracks steps taken
- Yes
- Designed for diving
- No
- Has a route tracker
- No
- Has exercise tagging
- Yes
- Has multi-sport mode
- No
- Tracks calorie intake
- Yes
- Provides sleep reports
- Yes
- Detects activities automatically
- Yes
- Has a stroke counter for swimming
- No
