WatchFitTool

Huawei Watch Fit 4 vs Watch Fit 4 Pro

Size, specs & wrist fit compared

Huawei Watch Fit 4
Huawei Watch Fit 4
Huawei Watch Fit 4 Pro
Huawei Watch Fit 4 Pro
40mm × 44.5mmCheck offerView specs

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Which one fits you

On wrists narrower than about 47mm, the Watch Fit 4 is the safer pick — it stays proportionate down to roughly 45mm, where the Watch Fit 4 Pro starts to hang over the edge. Above 47mm both sit cleanly, and the Watch Fit 4 Pro gives you more presence.

The Watch Fit 4 Pro wears larger than the Watch Fit 4 (40mm vs 38mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.

On the wrist the Watch Fit 4 feels lighter (27g vs 30.4g, case only).

The Watch Fit 4 is thinner than 78% of the 38mm watches we track and the Watch Fit 4 Pro than 77% of the 40mm ones — so both wear flatter than their widths suggest.

The Watch Fit 4 Pro is 2mm wider, 1.5mm longer, 0.2mm thinner and 3.4g heavier than the Watch Fit 4. Both are rectangle.

Watch Fit 4

Watch Fit 4 Pro

Case width
38mm
40mm+2mm
Lug-to-lug
43mm
44.5mm+1.5mm
Thickness
9.5mm
9.3mm−0.2mm
Weight
27g
30.4g+3.4g

Switch or add watches

Huawei Watch Fit 4

Huawei

Watch Fit 4

Huawei Watch Fit 4 Pro

Huawei

Watch Fit 4 Pro

Fit tool

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.

Your wrist
mm
≈ 146.9mm around

Huawei Watch Fit 4

Case 43.0mm · Lug-to-lug 43.0mm · Thickness 9.5mm · 27g

Balanced Fit

43mm on a 55mm wrist

10:09TUE 12lug to lug 43.0mmyour wrist 55.0mm

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 43mm, so you could go bigger.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 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. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

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 measurements
  • Across the wrist6.0mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist9.5mm off the skin

    Sits low enough to disappear under a cuff. (9.5mm case, back against the skin)

  • How it seats~4.4mm under the rim

    Seats well, with the case back following most of the wrist.

  • Weight on the wrist27g

    Light enough to forget you have it on. (0.5g per mm of wrist)

Huawei Watch Fit 4 Pro

Case 44.5mm · Lug-to-lug 44.5mm · Thickness 9.3mm · 30g

Balanced Fit

44.5mm on a 55mm wrist

10:09TUE 12lug to lug 44.5mmyour wrist 55.0mm

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 44.5mm, so you could go bigger.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 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. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

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 measurements
  • Across the wrist5.3mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist9.3mm off the skin

    Sits low enough to disappear under a cuff. (9.3mm case, back against the skin)

  • How it seats~4.9mm under the rim

    Seats well, with the case back following most of the wrist.

  • Weight on the wrist30g

    Light enough to forget you have it on. (0.6g per mm of wrist)

2D Dimension Schematics

Every case drawn to scale on a shared centre — from above, and in profile against the wrist.

Highlight
From above — same centre, true scale
From the side — how far each sits off the wrist
  • Huawei Watch Fit 438mm × 43mm · 9.5mm thick
  • Huawei Watch Fit 4 Pro40mm × 44.5mm · 9.3mm thick

3D preview

Watch Fit 4 vs Watch Fit 4 Pro on a wrist

Sized to your own wrist, turned any way you like.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

Battery life compared

Runtime for every power mode either watch publishes, 1 of them directly comparable.

44 Pro

  • Smartwatch

    10 days
    10 days
  • Battery Saver

    —
    240 hours

Specifications

The short version

11 key specs
SpecHuaweiWatch Fit 4HuaweiWatch Fit 4 Pro
Case Width38mm40mm
Lug-to-Lug43mm44.5mm
Thickness9.5mm9.3mm
Weight27g30.4g
ShapeRectangleRectangle
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.82 inches1.82 inches
Battery life10 days10 days
Released20252025

Every specification

117 specs
SpecHuawei Watch Fit 4Huawei Watch Fit 4 Pro
Design
width3840
height4344.5
volume15.52 cm³16.55 cm³
weight27 g30.4 g
thickness9.59.3
ATM rating5 ATM5 ATM
resolution408 x 480 px408 x 480 px
screen size1.82 inches1.82 inches
Display typeOLED/AMOLEDOLED/AMOLED
Has a displayYesYes
pixel density347 ppi347 ppi
width of band20 mm20 mm
maximum altitude164 feet164 feet
water resistanceWaterproofWaterproof
Always-On DisplayYesYes
has a touch screenYesYes
is designed for kidsNoNo
waterproof depth rating50 m50 m
Watch band is replaceableYesYes
Has sapphire glass displayNoYes
maximum operating temperature45 °C45 °C
Ingress Protection (IP) ratingIP68IP68
has branded damage-resistant glassNoNo
lowest potential operating temperature-10 °C-20 °C
Battery
charge time0.75 hours0.75 hours
battery life10 days10 days
battery power400 mAh400 mAh
has wireless chargingYesYes
has a removable batteryNoNo
Has a solar power batteryNoNo
has a rechargeable batteryYesYes
battery life in power save mode—240 hours
Sensors
has GPSYesYes
has a compassYesYes
Has a barometerYesYes
has a gyroscopeYesYes
Has a cadence sensorYesYes
has an accelerometerYesYes
Monitors perspirationNoNo
Has a heart rate monitorYesYes
Has a temperature sensorNoYes
Monitors blood oxygenation levelsYesYes
Features
release date2025-05-292025-05-29
Has a stopwatchYesYes
Has smart alarmNoNo
warranty period1 years1 years
Has call controlYesYes
Has silent alarmYesYes
internal storage4GB4GB
measures VO2 maxYesYes
Has notificationsYesYes
Has ECG technologyNoYes
Locates your phoneYesYes
has a front cameraNoNo
has fall detectionNoNo
has voice commandsNoNo
Has vibrating alertsYesYes
number of microphones11
shows readiness levelYesYes
Can be used to answer callsYesYes
measures resting heart rateYesYes
has irregular heart rate warningsYesYes
has fast/slow heart rate notificationsYesYes
Has a built-in camera remote control functionYesYes
has HRV tracking—Yes
Connectivity
has NFCYesYes
supports ANT+NoNo
supports Wi-FiNoNo
supports GalileoYesYes
Bluetooth version5.25.2
has a cellular moduleNoNo
Is compatible with iOSYesYes
Is compatible with AndroidYesYes
Miscellaneous
Has passcodeYesYes
Has auto pauseYesYes
Is compatible with WindowsNoNo
Is compatible with Mac OS XNoNo
has an external memory slotNoNo
Compatible with smart scalesYesYes
has a battery level indicatorYesYes
has a socket for a 3.5 mm audio jackNoNo
Compatible with external heart rate monitorsYesYes
App & Software
Ad-freeYesYes
Free appYesYes
Tracks BMIYesYes
Has coachingYesYes
Includes mapsYesYes
Supports routesYesYes
Has achievementsYesYes
Has goal settingYesYes
Has live trackingYesYes
Has exercise diaryYesYes
Predicts ovulationYesYes
Can be personalisedYesYes
Has weight trackingYesYes
Predicts start dateYesYes
Tracks water intakeYesYes
Has inactivity alertsYesYes
Has period notificationsYesYes
Has temperature trackingNoYes
Provides activity reportsYesYes
Displays fertile window notificationsYesYes
Counts how many calories you've burnedYesYes
Activity tracking
Measures paceYesYes
Tracks distanceYesYes
Tracks elevationYesYes
Designed for golfNoYes
Tracks your sleepYesYes
Tracks steps takenYesYes
Designed for divingNoYes
Has a route trackerYesYes
Has exercise taggingYesYes
Has multi-sport modeYesYes
Tracks calorie intakeYesYes
Provides sleep reportsYesYes
Detects activities automaticallyYesYes
Has a stroke counter for swimmingYesYes

Wrist Fit

Huawei Watch Fit 4

Sits best on wrists ~45–61mm wide (≈ 12.0–16.3cm circumference).

Huawei Watch Fit 4 Pro

Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).

Frequently Asked Questions

Is the Huawei Watch Fit 4 bigger than the Huawei Watch Fit 4 Pro?

The Huawei Watch Fit 4 Pro is bigger — 40mm vs 38mm case width.

Which fits a smaller wrist better, the Huawei Watch Fit 4 or the Huawei Watch Fit 4 Pro?

The Huawei Watch Fit 4 suits wrists around 45–61mm wide, and the Huawei Watch Fit 4 Pro around 47–64mm. The one with the smaller lower bound is the safer pick for a small wrist.

Can I see the Huawei Watch Fit 4 and Huawei Watch Fit 4 Pro side by side at true scale?

Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.

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