Side by side
Fortis Marinemaster M-40vsOblvlo GCM Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Marinemaster M-4040mm
GCM Mechanical41mm
Power Reserve
Marinemaster M-4038h
GCM Mechanical42h
Water Resistance
Marinemaster M-40300m
GCM Mechanical50m
MSRP
Marinemaster M-40$3,520
GCM Mechanical$231
Full specifications
Case
5 specsCategory
Diver
Sport
Diameter
40mm
41mm
Thickness
13mm
12mm
Lug-to-Lug
—
46mm
Water Resistance
300m
50m
Crystal & Dial
2 specsDial Color
Orange
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Sellita SW220-1
Miyota 82S5
Power Reserve
38h
42h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$231
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