Side by side
Fortis Marinemaster M-40vsJack Mason Strat-o-timer GMT
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
Strat-o-timer GMT40mm
Power Reserve
Marinemaster M-4038h
Strat-o-timer GMT42h
Water Resistance
Marinemaster M-40300m
Strat-o-timer GMT200m
MSRP
Marinemaster M-40$3,520
Strat-o-timer GMT$1,099
Full specifications
Case
5 specsCategory
Diver
—
Thickness
13mm
13.2mm
Lug-to-Lug
—
47mm
Lug Width
21mm
20mm
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Orange
—
Movement
3 specsCaliber
Sellita SW220-1
Miyota 9075
Power Reserve
38h
42h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$1,099
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 Jack Mason Strat-o-timer GMT 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 AutomaticvsJack Mason Strat-o-timer GMTMarathon OSAR-D (Original SAR with Date) Automatic 41mmvsJack Mason Strat-o-timer GMTMarathon Arctic OSAR 36mm AutomaticvsJack Mason Strat-o-timer GMTCWC Arctic Radar Automatic Diver WatchvsJack Mason Strat-o-timer GMTFortis Marinemaster M-40vsJack Mason Strat-o-timer GMTDuckworth Prestex Broadgate GMT AutomaticvsFortis Marinemaster M-40