Samsung · 2024
Galaxy Watch UltraSize, Dimensions & Wrist Fit
The Samsung Galaxy Watch Ultra sits best on flat wrist widths of about 50–68mm (≈ 13.4–18.2cm wrist circumference). Adjust the slider below to check your wrist.
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The Galaxy Watch Ultra in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Between 48 hours and 100 hours per charge depending on the power mode — battery saver at best, training at worst.
- Water rated to 100 m.
- 12.1mm thick. Thinner than 87% of 47mm watches, so it slides under a cuff more easily than most of its size.
- 1.5 inches OLED/AMOLED display, always-on capable.
- Carries on-board maps rather than breadcrumb navigation only.
Does the Galaxy Watch Ultra fit your wrist?
Drag the slider to your wrist width and see the Galaxy Watch Ultra 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 Watch Ultra
Case 47.4mm · Lug-to-lug 47.4mm · Thickness 12.1mm · 61g
Sweet Spot
47.4mm on a 55mm wrist
Across the wrist it works — 3.8mm spare each side — but wide enough that the edge of the case back lifts clear of the skin.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 47.4mm.
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 wrist3.8mm spare each side
Fills the wrist without reaching the edge.
- Off the wrist12.1mm off the skin
Normal sports-watch height for a wrist this size. (12.1mm case, back against the skin)
- How it seats~6.3mm under the rim
Wide enough that the edge of the case back lifts clear of the skin.
- Weight on the wrist61g
Substantial without being a burden — the usual weight of a steel watch on a wrist this size. (1.1g per mm of wrist)
Happy with the fit? Check current availability for the Galaxy Watch Ultra.
Check offer2D Dimension Schematics
The Galaxy Watch Ultra drawn to scale — from above, and in profile against the wrist.
- Samsung Galaxy Watch Ultra47.4mm · 12.1mm thick
3D preview
Samsung Galaxy Watch Ultra 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.
How long the Galaxy Watch Ultra lasts, by power mode
Runtime changes by a factor of 2 depending on what you leave switched on. Bars are scaled against the longest mode.
- Battery Saver100 hours
- Smartwatch4 days
- Training48 hours
How the Galaxy Watch Ultra ranks on battery
No Samsung in our database is rated for longer everyday (smartwatch) use.
- Everyday use4 days#1 of 64
- Power save4.2 days#1 of 11
- Capacity590 mAh#1 of 64
Top three in the Samsung range for everyday (smartwatch) use, power-saving mode and battery capacity.
See all 64 Samsung watches ranked by battery lifeGalaxy Watch Ultra specifications
The figures that decide a purchase, followed by every line Samsung publishes.
- Battery life
- 4 days
- Display
- 1.5 inches
- Resolution
- 480 x 480 px
- Water rating
- 10 ATM
- Storage
- 32GB
Full specification sheet
116 published lines across 8 groups, unedited
Design
- width
- 47.4
- height
- 47.4
- volume
- 27.19 cm³
- weight
- 60.5 g
- thickness
- 12.1
- ATM rating
- 10 ATM
- resolution
- 480 x 480 px
- screen size
- 1.5 inches
- Display type
- OLED/AMOLED
- Has a display
- pixel density
- 327 ppi
- maximum altitude
- 29527 feet
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- is designed for kids
- waterproof depth rating
- 100 m
- Watch band is replaceable
- Has sapphire glass display
- maximum operating temperature
- 55 °C
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
- lowest potential operating temperature
- -20 °C
Battery
- battery life
- 4 days
- battery power
- 590 mAh
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
- battery life in training mode
- 48 hours
- battery life in power save mode
- 100 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
- 2GB
- release date
- 2024-07-10
- Has a stopwatch
- Has smart alarm
- Has call control
- Has silent alarm
- has HRV tracking
- internal storage
- 32GB
- 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
- 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), Wi-Fi 5 (802.11ac)
- supports ANT+
- supports Wi-Fi
- supports Galileo
- Bluetooth version
- 5.4
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- 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
- Displays fertile window notifications
- Counts how many calories you've burned
Activity tracking
- Measures pace
- Tracks distance
- Tracks elevation
- 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
Compare the Galaxy Watch Ultra head to head
How each one differs in the three measurements you can feel on the wrist. Figures are relative to the Galaxy Watch Ultra.
Huawei
Watch Ultimate 2
- Width
- +1.1mm
- Thick
- +0.8mm
- Weight
- +20g
Pixel Watch 4 - 45mm
- Width
- -2.4mm
- Thick
- +0.2mm
- Weight
- -23.8g
Samsung
Galaxy Watch8 LTE Classic
- Width
- -1mm
- Thick
- -1.5mm
- Weight
- +3g
Amazfit
Balance 2
- Width
- same mm
- Thick
- +0.2mm
- Weight
- -17.5g
Garmin
Forerunner® 570 - 47mm
- Width
- -0.4mm
- Thick
- +0.8mm
- Weight
- -10.5g
Samsung
Galaxy Watch7 - LTE · 44mm
- Width
- -3mm
- Thick
- -2.4mm
- Weight
- -26.7g
Amazfit
Active Edge
- Width
- -0.8mm
- Thick
- -0.1mm
- Weight
- -26.5g
Pixel Watch 3 45mm
- Width
- -2.4mm
- Thick
- +0.2mm
- Weight
- -23.5g
Samsung
Galaxy Watch6 Classic - LTE · 47mm
- Width
- -0.9mm
- Thick
- -1.2mm
- Weight
- -1.5g
Samsung
Galaxy Watch6 Classic - Wi-Fi · 47mm
- Width
- -0.9mm
- Thick
- -1.2mm
- Weight
- -1.5g
Huawei
Watch 4 Pro
- Width
- +0.2mm
- Thick
- +0.8mm
- Weight
- +4.5g
Garmin
Forerunner® 965
- Width
- -0.2mm
- Thick
- +1.1mm
- Weight
- -7.5g
Alternatives to the Galaxy Watch Ultra
Watches that cover a similar amount of wrist, with the measurements that separate them.
Samsung
Galaxy Watch6 Classic - LTE · 47mm
- Width
- 46.5mm
- Thick
- 10.9mm
- Weight
- 59g
Samsung
Galaxy Watch6 Classic - Wi-Fi · 47mm
- Width
- 46.5mm
- Thick
- 10.9mm
- Weight
- 59g
Samsung
Galaxy Watch8 LTE Classic
- Width
- 46.4mm
- Thick
- 10.6mm
- Weight
- 63.5g
Samsung
Gear S3 Frontier - 49.1mm · LTE
- Width
- 46.1mm
- Thick
- 12.9mm
- Weight
- 62g
Samsung
Gear S3 Classic - 49.1mm
- Width
- 46.1mm
- Thick
- 12.9mm
- Weight
- 57g
Samsung
Gear S3 Classic - 49.1mm · LTE
- Width
- 46.1mm
- Thick
- 12.9mm
- Weight
- 57g
Galaxy Watch Ultra — Frequently Asked Questions
Will the Samsung Galaxy Watch Ultra fit my wrist?
The Samsung Galaxy Watch Ultra looks balanced on flat wrist widths of roughly 50–68mm (about 13.4–18.2cm circumference). Drag the slider above to check it against your own measurement.
How long does the Samsung Galaxy Watch Ultra battery last?
Between 48 hours and 100 hours per charge, depending on the power mode. Samsung rates Battery Saver at 100 hours and Training at 48 hours; the chart above lists all 3 modes.
How does the Samsung Galaxy Watch Ultra battery compare with other Samsung watches?
At 4 days in everyday use it ranks #1 of the 64 Samsung watches in our database — the longest-rated Samsung we have data for. The full ranking, including GPS and power-saving figures, is on our Samsung battery life comparison.
Is the Samsung Galaxy Watch Ultra thick for a 47mm watch?
At 12.1mm, thinner than 87% of 47mm 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 Watch Ultra?
Garmin Fenix 9 47mm, Oppo Watch X3, Xiaomi Watch 5, CMF Watch 3 Pro all sit within half a millimetre of the Samsung Galaxy Watch Ultra's 47.4mm case, so they cover the same amount of wrist.
