Side by side
Fortis Marinemaster M-40vsSheffield Deep Gray 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Marinemaster M-4040mm
Deep Gray 30042mm
Power Reserve
Marinemaster M-4038h
Deep Gray 30040h
Water Resistance
Marinemaster M-40300m
Deep Gray 300300m
MSRP
Marinemaster M-40$3,520
Deep Gray 300$258
Full specifications
Case
5 specsCategory
Diver
—
Diameter
40mm
42mm
Thickness
13mm
13.8mm
Lug-to-Lug
—
52mm
Lug Width
21mm
22mm
Crystal & Dial
1 specsDial Color
Orange
—
Movement
3 specsCaliber
Sellita SW220-1
Seiko NH35
Power Reserve
38h
40h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
—
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Fortis Marinemaster M-40 vs Sheffield Deep Gray 300 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marathon Arctic OSAR 41mm AutomaticvsSheffield Deep Gray 300Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSheffield Deep Gray 300Marathon Arctic OSAR 36mm AutomaticvsSheffield Deep Gray 300CWC RN81 Clearance Diver Automatic WatchvsSheffield Deep Gray 300Fortis Marinemaster M-40vsNoctua Watch Corp. PD-1Fortis Marinemaster M-40vsUgly Watch Co 300mD-RedG