Samsung · 2022
Galaxy Watch5 Pro 45mm LTE Size, Dimensions & Wrist Fit
The Galaxy Watch5 Pro 45mm LTE looks in proportion on wrists of 16 cm (6.3 in) and up round, and fills the wrist at 17–19 cm (lug-to-lug estimated at ≈51.5mm; Samsung does not publish it).
As an Amazon Associate, WatchFitTool earns from qualifying purchases.
Does the Galaxy Watch5 Pro 45mm LTE fit your wrist?
| Wrist round (mm left each side) | 45mm · LTE≈51.5mm lug to lug, est. |
|---|---|
| 14 cm / 5.5 in | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Bold (0.1mm) |
| 17 cm / 6.7 in | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (6.5mm) |
Which Galaxy Watch5 Pro 45mm size fits you?
45mm
45mm · 10mm thick · 46.5g
View this size45mm · LTEViewing
45mm · 10mm thick · 46.5g
The Galaxy Watch5 Pro 45mm LTE in short
- At 10mm, the 3rd thinnest of the 8 Samsung watches 44–46mm across.
- Rated for 3.5 days of use per charge.
- Water rated to 50 m.
- 10mm thick. Thinner than 96% of the 46 smartwatches 45mm across that we track, so it slides under a cuff more easily than most of its size.
- 1.4 inches AMOLED display, always-on capable.
Compare with another watch
Size, fit and battery side by side, against any smartwatch we list.
↑ ↓ to move · Enter to open the comparison · Esc to close
Galaxy Watch5 Pro 45mm LTE battery life
Published runtime
- Battery life3.5 days
Charges in 1.5 hours
Where it ranks among Samsung watches
- Everyday use3.5 days#3 of 64
- Power save3.3 days#7 of 11
- Capacity590 mAh#3 of 64
Top three in the Samsung range for everyday (smartwatch) use and battery capacity.
See all 64 Samsung watches ranked by battery life2D Dimension Schematics
- Samsung Galaxy Watch5 Pro 45mm LTE 45mm × ≈51.5mm (est.) · 10mm thick
3D preview
Samsung Galaxy Watch5 Pro 45mm LTE on a wrist
What size band does the Galaxy Watch5 Pro 45mm LTE take?
Lug width
20mm
Standard spring-bar lugs: a 20mm strap with quick-release pins should fit, Samsung's or another brand's.
Alternatives to the Galaxy Watch5 Pro 45mm LTE
Galaxy Watch5 Pro 45mm LTE — Frequently Asked Questions
Is the Samsung Galaxy Watch5 Pro 45mm LTE thick for a 45mm watch?
At 10mm, thinner than 96% of the 46 smartwatches 45mm across that we track, so it slides under a cuff more easily than most of its size.
Galaxy Watch5 Pro 45mm LTE specifications
- Battery life
- 3.5 days
- Display
- 1.4 inches
- Resolution
- 450 x 450 px
- Water rating
- 5 ATM
- Strap
- 20 mm
- Storage
- 16GB
- Charging
- 1.5 hours
Show all specificationsSamsung's published specification, for reference · checked September 2026
Design
- width
- 45
- height
- 45
- volume
- 20.25 cm³
- weight
- 46.5 g
- thickness
- 10
- ATM rating
- 5 ATM
- resolution
- 450 x 450 px
- screen size
- 1.4 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 321 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- Yes
- has a touch screen
- Yes
- is designed for kids
- No
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- Yes
- maximum operating temperature
- 35 °C
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
- No
- lowest potential operating temperature
- 35 °C
Battery
- charge time
- 1.5 hours
- battery life
- 3.5 days
- battery power
- 590 mAh
- has wireless charging
- Yes
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
- battery life in power save mode
- 80 hours
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
- Yes
- Monitors blood oxygenation levels
- Yes
Features
- RAM
- 1.5GB
- CPU speed
- 2 x 1.18 GHz
- release date
- 2022-08-10
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 1 years
- Has call control
- Yes
- Has silent alarm
- Yes
- has HRV tracking
- Yes
- internal storage
- 16GB
- measures VO2 max
- Yes
- Has notifications
- Yes
- Has ECG technology
- Yes
- 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
- shows readiness level
- No
- Can be used to answer calls
- Yes
- measures resting heart rate
- Yes
- has irregular heart rate warnings
- Yes
- has fast/slow heart rate notifications
- Yes
- Has a built-in camera remote control function
- Yes
Connectivity
- has NFC
- Yes
- SIM cards
- 1 eSIM
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports ANT+
- No
- supports Wi-Fi
- Yes
- supports Galileo
- Yes
- Bluetooth version
- 5.2
- has a cellular module
- Yes
- Is compatible with iOS
- No
- 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
- Includes maps
- Yes
- Supports routes
- Yes
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Predicts ovulation
- Yes
- Can be personalised
- Yes
- Has weight tracking
- Yes
- Predicts start date
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has period notifications
- Yes
- Has temperature tracking
- Yes
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- Yes
- 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
- Yes
- 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
- Yes
