WatchFitTool

Umidigi Uwatch 3 vs Uwatch 3S

Size, specs & wrist fit compared

Umidigi Uwatch 3
Umidigi Uwatch 3
41.6mm
Umidigi Uwatch 3S
Umidigi Uwatch 3S
44mm

Which one fits you

Under 15.5 cm (6.1 in) round, the 44mm's lugs overhang and the 41.6mm's do not; the 41.6mm fills the wrist at 15.5–17.5 cm, the 44mm at 16.5–18.5 cm.

What else differs

  • Battery: 15 days for the 44mm against 10 days for the 41.6mm in everyday use.

The Uwatch 3S is 2.4mm wider, 1.3mm thicker and 13g lighter than the Uwatch 3.

Uwatch 3

Uwatch 3S

Case width
41.6mm
44mm+2.4mm
Thickness
11.6mm
12.9mm+1.3mm
Weight
38g
25g−13g

Uwatch 3: 41.6mm or 44mm by wrist size

Wrist round (mm left each side)41.6mm≈48mm lug to lug, est.44mm≈50.5mm lug to lug, est.
14 cm / 5.5 inOverhangs (1.4mm over)Overhangs (2.7mm over)
15 cm / 5.9 inBold (0.2mm)Overhangs (1.1mm over)
16 cm / 6.3 inSweet spot (1.8mm)Bold (0.6mm)
17 cm / 6.7 inSweet spot (3.4mm)Sweet spot (2.2mm)
18 cm / 7.1 inBalanced (5mm)Sweet spot (3.8mm)
19 cm / 7.5 inBalanced (6.6mm)Balanced (5.4mm)
20 cm / 7.9 inBalanced (8.3mm)Balanced (7mm)

How the fit model works · Size chart for every wrist

Switch or add watches

Umidigi Uwatch 3

Umidigi

Uwatch 3

Umidigi Uwatch 3S

Umidigi

Uwatch 3S

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Battery life compared

Furthest apart in Battery life mode, where the Uwatch 3S lasts 1.5× as long as the Uwatch 3 (15 days against 10 days).

Uwatch 3Uwatch 3S

  • Battery life

    10 days
    15 days

2D Dimension Schematics

Top view
Side view
  • Umidigi Uwatch 3 41.6mm × ≈48mm (est.) · 11.6mm thick
  • Umidigi Uwatch 3S 44mm × ≈50.5mm (est.) · 12.9mm thick

3D preview

Uwatch 3 vs Uwatch 3S on a wrist

Open 3D try-on

Specifications

The short version

10 key specs
SpecUmidigiUwatch 3UmidigiUwatch 3S
Case Width41.6mm44mm
Thickness11.6mm12.9mm
Weight38g25g
ShapeCircularCircular
Water ResistanceWaterproofWater resistant
GPSNoNo
Display typeLCDLCD
Screen size1.3 inches1.3 inches
Battery life10 days15 days
Released20192020

Where the specifications differ

19 differences
SpecUmidigi Uwatch 3Umidigi Uwatch 3S
Design
width41.644
height41.644
volume20.07 cm³24.97 cm³
weight38 g25 g
thickness11.612.9
width of band19 mm22 mm
water resistanceWaterproofWater resistant
Battery
battery life10 days15 days
has wireless chargingNoYes
Sensors
has a compassNoYes
has a gyroscopeYesNo
Monitors blood oxygenation levelsNoYes
Features
release date2019-09-162020-10-21
Miscellaneous
Is compatible with WindowsNoYes
App & Software
Has weight trackingNoYes
Tracks water intakeNoYes
Activity tracking
Has exercise taggingYesNo
Has multi-sport modeYesNo
Tracks calorie intakeNoYes

The other 57 specifications both list are identical.