Side by side
Fortis Marinemaster M-40vsGrand Seiko STGF387
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Marinemaster M-4040mm
STGF38726mm
Power Reserve
Marinemaster M-4038h
STGF38740h
Water Resistance
Marinemaster M-40300m
STGF387100m
MSRP
Marinemaster M-40$3,520
STGF387$4,200
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
40mm
26mm
Thickness
13mm
8.1mm
Lug-to-Lug
—
32.9mm
Lug Width
21mm
13mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Orange
Black
Movement
4 specsCaliber
Sellita SW220-1
4J51
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$4,200
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