Side by side

Fortis Marinemaster M-40vsSeaholm Clark

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

Add a watch
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
See the full Marinemaster M-40
Clark
SeaholmClark
MSRP $2,500
See the full Clark
Buy from Fortis ↗
Buy used on eBay ↗
Buy from Seaholm ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Clark41mm
Power Reserve
Marinemaster M-4038h
Clark38h
Water Resistance
Marinemaster M-40300m
Clark200m
MSRP
Marinemaster M-40$3,520
Clark$2,500

Full specifications

Case

4 specs
Category
Diver
—
Diameter
40mm
41mm
Thickness
13mm
—
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
Sellita SW200-1
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
38h
Jewels
26
0

Pricing

1 specs
MSRP
$3,520
$2,500
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.

Marathon Arctic OSAR 41mm Automatic
Marathonmicro
OSAR

Arctic OSAR 41mm Automatic

6 watches · 6 variantsOSAR
41mm·Automatic·300m WR
$1,800MSRP
—Used
Pompeak Sub-Aquatic
Pompeakmicro

Sub-Aquatic

3 variantsSeries
40mm·Automatic·200m WR
$915MSRP
—Used
Stewart Dawson Voyager S
Stewart Dawsonmicro

Voyager S

41mm·Automatic·200m WR
$1,683MSRP
—Used
Synchron 70s Military
Synchronmicro

70s Military

2 variantsSeries
42mm·Automatic·300m WR
—MSRP
—Used
William Wood Fire Exit Watch
William Woodmicro

Fire Exit Watch

2 variantsFire Exit
41mm·Automatic·100m WR
$1,495MSRP
—Used
Timefactors Royal Navy Diver PRS-82
Timefactorsmicro

Royal Navy Diver PRS-82

40mm·Automatic·300m WR
$664MSRP
—Used
Farer AQUAMATIC
Farermicro

AQUAMATIC

2 variantsAQUAMATIC
38.5mm·Automatic·200m WR
$875MSRP
—Used
Seaholm Rover
Seaholmmicro

Rover

7 variantsRef. SROV0002
41mm·Automatic·200m WR
$1,895MSRP
—Used
All alternatives to the Marinemaster M-40 →All alternatives to the Clark →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

Seaholm ClarkvsSynchron SEALAB Ti300MSeaholm ClarkvsZelos Swordfish 3BOLDR Supply Co. ODYSSEY FREEDIVER MINTvsSeaholm ClarkLIV Watches GX-Diver'svsSeaholm ClarkFortis Marinemaster M-40vsSeaholm RoverFortis Marinemaster M-40vsNoctua Watch Corp. Vigil
Edit this comparisonAdd another watchExplore more 39–42mm watches