Samsung · 2019
Galaxy Watch Active Size, Dimensions & Wrist Fit
The Galaxy Watch Active looks in proportion on wrists of 14–20 cm (5.5–7.9 in) round, and fills the wrist at 15–16.5 cm (lug-to-lug estimated at ≈45.5mm; Samsung does not publish it).
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Does the Galaxy Watch Active fit your wrist?
| Wrist round (mm left each side) | 39.5mm≈45.5mm lug to lug, est. |
|---|---|
| 14 cm / 5.5 in | Overhangs (0.2mm over) |
| 15 cm / 5.9 in | Sweet spot (1.4mm) |
| 16 cm / 6.3 in | Sweet spot (3.1mm) |
| 17 cm / 6.7 in | Balanced (4.7mm) |
| 18 cm / 7.1 in | Balanced (6.3mm) |
| 19 cm / 7.5 in | Balanced (7.9mm) |
| 20 cm / 7.9 in | Balanced (9.5mm) |
The Galaxy Watch Active in short
- 25g on the wrist. Lighter than 95% of the 19 smartwatches 40mm across that we have weights for.
- Between 2 hours and 2 days per charge depending on the power mode — smartwatch at best, gps at worst.
- Water rated to 50 m.
- 1.1 inches AMOLED display, always-on capable.
- Takes 20mm bands.
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Size, fit and battery side by side, against any smartwatch we list.
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Galaxy Watch Active battery life
Runtime by power mode
- Smartwatch2 days
- GPS2 hours
Charges in 2 hours
Where it ranks among Samsung watches
- Everyday use2 days#29 of 64
- GPS tracking2 hours#6 of 6
- Capacity230 mAh#64 of 64
2D Dimension Schematics
- Samsung Galaxy Watch Active 39.5mm × ≈45.5mm (est.) · 10.5mm thick
3D preview
Samsung Galaxy Watch Active on a wrist
What size band does the Galaxy Watch Active take?
Lug width
20mm
Alternatives to the Galaxy Watch Active
39.3mm · 9.8mm thick · 26.6g39.3mmSamsung
Galaxy Watch FE 40mm
39.9mm · 11.4mm thick · 42g39.9mmSamsung
Gear S2 Classic 43.6mm Platinum
39.9mm · 12.5mm thick · 66g39.9mmSamsung
Gear S
40mm · 10.9mm thick · 26g40mmSamsung
Galaxy Watch Active2 Aluminium 40mm
38.8mm · 9mm thick · 28.7g38.8mmSamsung
Galaxy Watch6 Wi-Fi 40mm
Galaxy Watch Active specifications
- Battery life
- 2 days
- Display
- 1.1 inches
- Resolution
- 360 x 360 px
- Water rating
- 5 ATM
- Glass
- Gorilla Glass 3
- Strap
- 20 mm
- Storage
- 4GB
- Charging
- 2 hours
Show all specificationsSamsung's published specification, for reference · checked September 2026
Design
- width
- 39.5
- height
- 39.5
- volume
- 16.38 cm³
- weight
- 25 g
- thickness
- 10.5
- ATM rating
- 5 ATM
- resolution
- 360 x 360 px
- screen size
- 1.1 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 463 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- Yes
- has a touch screen
- Yes
- Gorilla Glass version
- Gorilla Glass 3
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
- Yes
Battery
- charge time
- 2 hours
- battery life
- 2 days
- battery power
- 230 mAh
- has wireless charging
- Yes
- has a removable battery
- No
- battery life with GPS on
- 2 hours
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
Sensors
- has GPS
- Yes
- has a compass
- Yes
- Has a barometer
- Yes
- 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
- No
Features
- RAM
- 0.75GB
- CPU speed
- 2 x 1.15 GHz
- release date
- 2019-02-20
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 1 years
- Has call control
- Yes
- Has silent alarm
- Yes
- internal storage
- 4GB
- Has notifications
- Yes
- Has ECG technology
- No
- Locates your phone
- Yes
- has a front camera
- No
- has fall detection
- Yes
- has voice commands
- Yes
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- number of microphones
- 1
- 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
- Yes
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports ANT+
- No
- supports Wi-Fi
- Yes
- supports Galileo
- Yes
- Bluetooth version
- 4.2
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- has aptX
- No
- Has passcode
- Yes
- Has auto pause
- Yes
- Is compatible with Windows
- No
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- Compatible with smart scales
- Yes
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
- Compatible with external heart rate monitors
- Yes
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Tracks BMI
- Yes
- Has coaching
- Yes
- Supports routes
- Yes
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Has weight tracking
- No
- Predicts start date
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has period notifications
- Yes
- Has temperature tracking
- No
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- No
- Tracks distance
- Yes
- Tracks elevation
- Yes
- 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
- Yes
- Tracks calorie intake
- Yes
- Provides sleep reports
- Yes
- Detects activities automatically
- Yes
- Has a stroke counter for swimming
- No
