
Samsung · 2022
Galaxy Watch5 Pro - 45mm · LTESize, Dimensions & Wrist Fit
The Samsung Galaxy Watch5 Pro - 45mm · LTE sits best on flat wrist widths of about 47–64mm (≈ 12.6–17.1cm wrist circumference). Adjust the slider below to check your wrist.
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The Galaxy Watch5 Pro - 45mm · LTE in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Between 80 hours and 3.5 days per charge depending on the power mode — smartwatch at best, battery saver at worst.
- Water rated to 50 m.
- 46.5g on the wrist. Lighter than 77% of the 45mm watches we have weights for.
- 1.4 inches OLED/AMOLED display, always-on capable.
- Takes 20mm bands, so third-party straps fit without an adapter.
Does the Galaxy Watch5 Pro - 45mm · LTE fit your wrist?
Drag the slider to your wrist width and see the Galaxy Watch5 Pro - 45mm · LTE overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Watch Fit Tool
For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.
Measure at the point where you wear your watch — typically just below the wrist bone.
Flat width — lay your arm on a table, palm facing up, and measure straight across the top of your wrist with a ruler. Bone to bone; do not follow the curve down the sides.
Around — wrap a tape measure snugly round the wrist. No tape? Wrap a strip of paper, mark the overlap and hold the strip against a ruler.
Width ≠ circumference. They are different numbers — around 170mm is about 64mm across — so set the toggle to whichever one you actually measured before you type it in.
Samsung Galaxy Watch5 Pro - 45mm · LTE
Case 45.0mm · Lug-to-lug 45.0mm · Thickness 10.0mm · 47g
Balanced Fit
45mm on a 55mm wrist
Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 45mm, so you could go bigger.
Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.
- 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
- 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.
Show the measurementsHide the measurements
- Across the wrist5.0mm spare each side
Comfortable, with visible skin either side.
- Off the wrist10.0mm off the skin
Normal sports-watch height for a wrist this size. (10.0mm case, back against the skin)
- How it seats~5.2mm under the rim
Seats well, with the case back following most of the wrist.
- Weight on the wrist47g
Light enough to forget you have it on. (0.8g per mm of wrist)
Happy with the fit? Check current availability for the Galaxy Watch5 Pro - 45mm · LTE.
Check offer2D Dimension Schematics
The Galaxy Watch5 Pro - 45mm · LTE drawn to scale — from above, and in profile against the wrist.
- Samsung Galaxy Watch5 Pro - 45mm · LTE45mm · 10mm thick
3D preview
Samsung Galaxy Watch5 Pro - 45mm · LTE on a wrist
On an arm sized to your own wrist — the view a product photo never gives you.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
Which Galaxy Watch5 Pro - 45mm size fits you?
This model comes in 2 versions. Set your measurement and each one reports its own verdict — tap any size to open its page.
Which of these fits your wrist?
Roughly a 14.7cm wrist circumference — the measurement a tape gives you. Compared against lug-to-lug where we have it, case width otherwise.
All 2 Galaxy Watch5 Pro - 45mm variants fit this wrist. The 45mm gives you the most presence without overhanging; the smallest is the discreet end of the range.
- Width
- 45mm
- Thick
- 10mm
- Weight
- 46.5g
5.0mm clear a side
View this size- Width
- 45mm
- Thick
- 10mm
- Weight
- 46.5g
5.0mm clear a side
How long the Galaxy Watch5 Pro - 45mm · LTE lasts, by power mode
Runtime changes by a factor of 1 depending on what you leave switched on. Bars are scaled against the longest mode.
- Smartwatch3.5 days
- Battery Saver80 hours
How the Galaxy Watch5 Pro - 45mm · LTE ranks on battery
Against the 64 Samsung watches in our database, ranked on each figure Samsung publishes.
- Everyday use3.5 days#2 of 64
- Power save3.3 days#6 of 11
- Capacity590 mAh#1 of 64
Top three in the Samsung range for everyday (smartwatch) use and battery capacity.
See all 64 Samsung watches ranked by battery lifeWhat size band does the Galaxy Watch5 Pro - 45mm · LTE take?
Lug width
20mm
Any 20mm strap fits, so you are not restricted to Samsung's own bands. Quick-release pins let you swap without tools — check that a replacement lists 20mm and quick-release before buying.
Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.
Galaxy Watch5 Pro - 45mm · LTE specifications
The figures that decide a purchase, followed by every line Samsung publishes.
- 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
Full specification sheet
120 published lines across 8 groups, unedited
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
- pixel density
- 321 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- is designed for kids
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Has sapphire glass display
- maximum operating temperature
- 35 °C
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
- lowest potential operating temperature
- 35 °C
Battery
- charge time
- 1.5 hours
- battery life
- 3.5 days
- battery power
- 590 mAh
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
- battery life in power save mode
- 80 hours
Sensors
- has GPS
- has a compass
- Has a barometer
- has a gyroscope
- Has a cadence sensor
- has an accelerometer
- Monitors perspiration
- Has a heart rate monitor
- Has a temperature sensor
- Monitors blood oxygenation levels
Features
- RAM
- 1.5GB
- CPU speed
- 2 x 1.18 GHz
- release date
- 2022-08-10
- Has a stopwatch
- Has smart alarm
- warranty period
- 1 years
- Has call control
- Has silent alarm
- has HRV tracking
- internal storage
- 16GB
- measures VO2 max
- Has notifications
- Has ECG technology
- Locates your phone
- has a front camera
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- number of microphones
- 1
- shows readiness level
- Can be used to answer calls
- measures resting heart rate
- has irregular heart rate warnings
- has fast/slow heart rate notifications
- Has a built-in camera remote control function
Connectivity
- has NFC
- SIM cards
- 1 eSIM
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports ANT+
- supports Wi-Fi
- supports Galileo
- Bluetooth version
- 5.2
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- has aptX
- Has passcode
- Has auto pause
- Is compatible with Windows
- Is compatible with Mac OS X
- has an external memory slot
- Compatible with smart scales
- has a battery level indicator
- has a socket for a 3.5 mm audio jack
- Compatible with external heart rate monitors
App & Software
- Ad-free
- Free app
- Tracks BMI
- Has coaching
- Includes maps
- Supports routes
- Has achievements
- Has goal setting
- Has exercise diary
- Predicts ovulation
- Can be personalised
- Has weight tracking
- Predicts start date
- Tracks water intake
- Has inactivity alerts
- Has period notifications
- Has temperature tracking
- Provides activity reports
- Counts how many calories you've burned
Activity tracking
- Measures pace
- Tracks distance
- Tracks elevation
- Designed for golf
- Tracks your sleep
- Tracks steps taken
- Designed for diving
- Has a route tracker
- Has exercise tagging
- Has multi-sport mode
- Tracks calorie intake
- Provides sleep reports
- Detects activities automatically
- Has a stroke counter for swimming
Alternatives to the Galaxy Watch5 Pro - 45mm · LTE
Watches that cover a similar amount of wrist, with the measurements that separate them.

Samsung
Galaxy Watch5 Pro - 45mm
- Width
- 45mm
- Thick
- 10mm
- Weight
- 46.5g

Samsung
Galaxy Watch3 LTE 45mm - LTE · 41mm
- Width
- 45mm
- Thick
- 11.1mm
- Weight
- 53.8g

Samsung
Galaxy Watch3 - 46.2mm
- Width
- 45mm
- Thick
- 11.1mm
- Weight
- 53.8g

Samsung
Galaxy Watch3 - wi fi 45mm
- Width
- 45mm
- Thick
- 11.1mm
- Weight
- 53.8g

Samsung
Galaxy Watch 4 Classic - Wi-Fi · 46mm
- Width
- 45.5mm
- Thick
- 11mm
- Weight
- 52g

Samsung
Galaxy Watch 4 Classic - LTE · 46mm
- Width
- 45.5mm
- Thick
- 11mm
- Weight
- 52g
Galaxy Watch5 Pro - 45mm · LTE — Frequently Asked Questions
Will the Samsung Galaxy Watch5 Pro - 45mm · LTE fit my wrist?
The Samsung Galaxy Watch5 Pro - 45mm · LTE looks balanced on flat wrist widths of roughly 47–64mm (about 12.6–17.1cm circumference). Drag the slider above to check it against your own measurement.
What size band does the Samsung Galaxy Watch5 Pro - 45mm · LTE take?
20mm. Any 20mm strap fits, so you are not limited to Samsung's own bands — look for a quick-release fitting if you want to swap without tools.
How long does the Samsung Galaxy Watch5 Pro - 45mm · LTE battery last?
Between 80 hours and 3.5 days per charge, depending on the power mode. Samsung rates Smartwatch at 3.5 days and Battery Saver at 80 hours; the chart above lists all 2 modes.
How does the Samsung Galaxy Watch5 Pro - 45mm · LTE battery compare with other Samsung watches?
At 3.5 days in everyday use it ranks #2 of the 64 Samsung watches in our database — the top 3% of the range. The full ranking, including GPS and power-saving figures, is on our Samsung battery life comparison.
Is the Samsung Galaxy Watch5 Pro - 45mm · LTE thick for a 45mm watch?
At 10mm, thinner than 99% of 45mm watches, so it slides under a cuff more easily than most of its size. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
What other watches are the same size as the Samsung Galaxy Watch5 Pro - 45mm · LTE?
OnePlus Watch Lite, Garmin D2 Air X15, Oppo Watch S, Google Pixel Watch 4 - 45mm all sit within half a millimetre of the Samsung Galaxy Watch5 Pro - 45mm · LTE's 45mm case, so they cover the same amount of wrist.
