Side by side
Fortis Marinemaster M-40vsSheffield GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Marinemaster M-4040mm
GMT40mm
Power Reserve
Marinemaster M-4038h
GMT—
Water Resistance
Marinemaster M-40300m
GMT200m
MSRP
Marinemaster M-40$3,520
GMT—
Full specifications
Case
4 specsCategory
Diver
GMT
Lug-to-Lug
—
48mm
Lug Width
21mm
20mm
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Orange
Blue
Movement
3 specsCaliber
Sellita SW220-1
Seiko NH34
Power Reserve
38h
—
Jewels
26
25
Pricing
1 specsMSRP
$3,520
—
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