Side by side
Fortis Marinemaster M-40vsSeiko Essentials Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Marinemaster M-4040mm
Essentials Automatic41.2mm
Power Reserve
Marinemaster M-4038h
Essentials Automatic41h
Water Resistance
Marinemaster M-40300m
Essentials Automatic100m
MSRP
Marinemaster M-40$3,520
Essentials Automatic$315
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
40mm
41.2mm
Thickness
13mm
11.8mm
Lug-to-Lug
—
48.5mm
Lug Width
21mm
20mm
Water Resistance
300m
100m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Dial Color
Orange
Black
Movement
3 specsCaliber
Sellita SW220-1
4R35
Power Reserve
38h
41h
Jewels
26
23
Pricing
1 specsMSRP
$3,520
$315
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