Side by side

Mark Time Watches M 3vsSeestern S450 Ocean Star

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

Add a watch
M 3
Mark Time WatchesM 3
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Buy from Mark Time Watches ↗
Buy used on eBay ↗
Buy from Seestern ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
M 339mm
S450 Ocean Star40mm
Power Reserve
M 3—
S450 Ocean Star41h
Water Resistance
M 3100m
S450 Ocean Star100m
MSRP
M 3—
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
—
Diver
Diameter
39mm
40mm
Thickness
11.5mm
12mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
—
White
Lume
BGW9
Tritium

Movement

5 specs
Caliber
Miyota 9039
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
—
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
—
$299
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.

Nezumi Studios Baleine
Nezumi Studiosmicro

Baleine

4 variantsRef. baleine-ref-ba4-102
40mm·Automatic·200m WR
$821MSRP
—Used
Traska Freediver Arctic
Traskamicro

Freediver Arctic

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

Aquascaphe Dual-Crown

2 variantsAquascaphe Dual-Crown
39mm·Automatic·200m WR
$724MSRP
—Used
Christopher Ward C60 Atoll 300
Christopher Wardmicro
Atoll

C60 Atoll 300

2 watches · 3 variantsAtoll
40mm·Automatic·300m WR
$1,320MSRP
—Used
Phoibos Argo
Phoibosmicro

Argo

Ref. phoibos-argo-200m-automatic-diver-watch-py052f-spiral-sunray-yellow
40.5mm·Automatic·200m WR
$345MSRP
—Used
Batavi Watches Amsterdam Aquamarine
Batavi Watches Amsterdammicro

Aquamarine

2 variantsRef.
39mm·Automatic·100m WR
$486MSRP
—Used
Phoibos Storm Corsair
Phoibosmicro

Storm Corsair

4 variantsStorm Corsair
40mm·Automatic·200m WR
$480MSRP
—Used
Batavi Watches Amsterdam Architect
Batavi Watches Amsterdammicro

Architect

5 variantsRef.
39mm·Automatic·100m WR
$486MSRP
—Used
All alternatives to the M 3 →All alternatives to the S450 Ocean Star →
Explore the full catalog

Follow this matchup

Get a note when Mark Time Watches M 3 vs Seestern S450 Ocean Star 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.

Nezumi Studios BaleinevsSeestern S450 Ocean StarBaltic Aquascaphe Dual-CrownvsSeestern S450 Ocean StarBaltic Aquascaphe Dual-Crown - Black PVDvsSeestern S450 Ocean StarBatavi Watches Amsterdam AquamarinevsSeestern S450 Ocean StarTraska Freediver ArcticvsMark Time Watches M 3Christopher Ward C60 Atoll 300vsMark Time Watches M 3
Edit this comparisonAdd another watchExplore more 38–41mm watches