Watch Sport - 38mmSize, Dimensions & Wrist Fit
Case Width
33.3mm
Thickness
10.5mm
Lug-to-Lug
38.6mm
Weight
—
The Apple Watch Sport - 38mm sits best on flat wrist widths of about 41–55mm (≈ 10.9–14.7cm wrist circumference). Adjust the slider below to check your wrist.
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.
The Watch Sport - 38mm in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 0.75 days of use per charge.
- Water rated to Sweat resistant.
- 10.5mm thick. Thicker than 85% of 33mm watches — it will sit noticeably high on the wrist.
- 1.32 inches OLED/AMOLED display.
Does the Watch Sport - 38mm fit your wrist?
Drag the slider to your wrist width and see the Watch Sport - 38mm overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Happy with the fit? Check current availability for the Watch Sport - 38mm.
Check offer2D Dimension Schematics
The Watch Sport - 38mm drawn to scale — from above, and in profile against the wrist.
- Apple Watch Sport - 38mm33.3mm × 38.6mm · 10.5mm thick
3D preview
Apple Watch Sport - 38mm 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 Watch Sport 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 1 Watch Sport variants fit this wrist. The 33.3mm gives you the most presence without overhanging; the smallest is the discreet end of the range.
- Width
- 33.3mm
- Thick
- 10.5mm
- Weight
- —
8.2mm clear a side
- Width
- —
- Thick
- —
- Weight
- —
No case width recorded
View this sizeWatch Sport - 38mm battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch0.75 days
How the Watch Sport - 38mm ranks on battery
Against the 77 Apple watches in our database, ranked on each figure Apple publishes.
- Everyday use18 hours#15 of 77
Watch Sport - 38mm specifications
The figures that decide a purchase, followed by every line Apple publishes.
- Battery life
- 0.75 days
- Display
- 1.32 inches
- Resolution
- 272 x 340 px
- Water rating
- Sweat resistant
Full specification sheet
91 published lines across 8 groups, unedited
Design
- width
- 33.3
- height
- 38.6
- thickness
- 10.5
- resolution
- 272 x 340 px
- screen size
- 1.32 inches
- Display type
- OLED/AMOLED
- Has a display
- pixel density
- 290 ppi
- water resistance
- Sweat resistant
- Always-On Display
- has a touch screen
- Watch band is replaceable
- Has sapphire glass display
- has branded damage-resistant glass
Battery
- battery life
- 0.75 days
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
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
- Has a stopwatch
- Has smart alarm
- Has call control
- Has silent alarm
- Has notifications
- Has ECG technology
- Locates your phone
- has a front camera
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- Can be used to answer calls
- has irregular heart rate warnings
- Has a built-in camera remote control function
Connectivity
- has NFC
- supports ANT+
- supports Wi-Fi
- supports Galileo
- Bluetooth version
- 4
- 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
- Has coaching
- Has achievements
- Has goal setting
- Has exercise diary
- 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 Watch Sport - 38mm
Watches that cover a similar amount of wrist, with the measurements that separate them.
Apple
Watch Series 3 - GPS · 38mm
- Width
- 33.3mm
- Thick
- 11.4mm
- Weight
- 26.7g
Apple
Watch Series 3 - GPS · Cellular · 38mm
- Width
- 33.3mm
- Thick
- 11.4mm
- Weight
- 26.7g
Apple
Watch Series 2 - 38mm
- Width
- 33.3mm
- Thick
- 10.5mm
- Weight
- 34g
Apple
Watch Series 2 - 38mm · Edition
- Width
- 33.3mm
- Thick
- 10.5mm
- Weight
- 34g
Apple
Watch - 38mm
- Width
- 33.3mm
- Thick
- 10.5mm
- Weight
- —
Apple
Watch Edition - 38mm
- Width
- 33.3mm
- Thick
- 10.5mm
- Weight
- —
Watch Sport - 38mm — Frequently Asked Questions
Will the Apple Watch Sport - 38mm fit my wrist?
The Apple Watch Sport - 38mm looks balanced on flat wrist widths of roughly 41–55mm (about 10.9–14.7cm circumference). Drag the slider above to check it against your own measurement.
How long does the Apple Watch Sport - 38mm battery last?
Apple rates it at 0.75 days per charge in everyday use.
How does the Apple Watch Sport - 38mm battery compare with other Apple watches?
At 18 hours in everyday use it ranks #15 of the 77 Apple watches in our database — the top 19% of the range. The full ranking, including GPS and power-saving figures, is on our Apple battery life comparison.
Is the Apple Watch Sport - 38mm thick for a 33mm watch?
At 10.5mm, thicker than 85% of 33mm watches — it will sit noticeably high on the wrist. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
What other watches are the same size as the Apple Watch Sport - 38mm?
Blackview W10E, Omega De Ville Prestige Dewdrop Co-Axial 32.7 Red Gold / MOP / Diamond / Bracelet, Tissot PR 100 Quartz 33 Stainless Steel / Blue / Bracelet, Zenith Elite Ultra Thin Lady Moonphase Purple / Diamond all sit within half a millimetre of the Apple Watch Sport - 38mm's 33.3mm case, so they cover the same amount of wrist.
What is the lug-to-lug of the Apple Watch Sport - 38mm?
38.6mm, against a 33.3mm case width. Lug-to-lug is the measurement that decides overhang: if it exceeds the flat width of your wrist, the lugs sit past the edge no matter how modest the case diameter looks.
