Side by side

Mark Time Watches M 4vsSugess Ocean Star S421

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
M 4
Mark Time WatchesM 4
Ocean Star S421
SugessOcean Star S421
MSRP $449
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Sugess ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
M 439mm
Ocean Star S42140mm
Power Reserve
M 4—
Ocean Star S42140h
Water Resistance
M 4300m
Ocean Star S421300m
MSRP
M 4—
Ocean Star S421$449

Full specifications

Case

3 specs
Category
—
Diver
Diameter
39mm
40mm
Thickness
12.1mm
12.7mm

Crystal & Dial

1 specs
Dial Color
—
SU116610LB Black

Movement

4 specs
Caliber
Miyota 9039
Seagull ST2130/Seiko NH35
Beat Rate
28,800 vph
4 vph
Power Reserve
—
40h
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
—
$449
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Galo Super200 Dark Edition
Galomicro

Super200 Dark Edition

2 watches · 6 variantsSuper200
39mm·Automatic·200m WR
$488MSRP
—Used
Serica Ref. 5330 Diving Chronometer Date
Sericamicro
Diving Chronometer

Ref. 5330 Diving Chronometer Date

Ref. 5330-chronometre-plongee-date
39mm·Automatic·300m WR
$2,005MSRP
—Used
Traska Freediver Arctic
Traskamicro

Freediver Arctic

Ref. FRD-WHT-NDT-V7
40mm·Automatic·200m WR
$735MSRP
—Used
Baltic Aquascaphe Classic
Balticmicro

Aquascaphe Classic

2 variantsAquascaphe Classic
39mm·Automatic·200m WR
$648MSRP
—Used
HELM Komodo
HELMmicro

Komodo

2 watches · 6 variantsKomodo
40mm·Automatic·300m WR
$295MSRP
—Used
Geckota Ocean-Scout Dive Watch
Geckotamicro

Ocean-Scout Dive Watch

5 variantsOcean-Scout
38.5mm·Automatic·200m WR
$375MSRP
—Used
Echo/Neutra 1956 3H
Echo/Neutramicro

1956 3H

3 watches · 10 variants1956
40mm·Automatic·100m WR
$1,025MSRP
—Used
KUOE SOMBRERO 90-011
KUOEmicro

SOMBRERO 90-011

5 variantsSombrero
38mm·Automatic·200m WR
$980MSRP
—Used
All alternatives to the M 4 →All alternatives to the Ocean Star S421 →
Explore the full catalog

Follow this matchup

Get a note when Mark Time Watches M 4 vs Sugess Ocean Star S421 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Sugess Ocean Star S421vsGalo Super200 Dark EditionSugess Ocean Star S421vsGalo Super200Baltic Aquascaphe ClassicvsSugess Ocean Star S421Geckota Ocean-Scout Dive WatchvsSugess Ocean Star S421Serica Ref. 5330 Diving Chronometer DatevsMark Time Watches M 4Traska Freediver ArcticvsMark Time Watches M 4
Edit this comparisonAdd another watchExplore more 38–41mm watches