Fortis Marinemaster M-40vsUnimatic Modello Quattro U4-GMT

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marinemaster M-40

Modello Quattro U4-GMT
Diameter
40mm
40mm
Thickness
13mm
2.8mm
lowest
Water Resistance
300m
300m
Power Reserve
38h
41h
highest
MSRP
$3,520
$920
lowest
Movement
Sellita SW220-1
Seiko NH34
Case
3 specsThickness
13mm
2.8mm
Lug-to-Lug
n/a
n/a
Lug Width
21mm
n/a
Crystal & Dial
1 specsDial Color
Orange
n/a
Movement
4 specsCaliber
Sellita SW220-1
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
41h
Jewels
26
0
Pricing
1 specsMSRP
$3,520
$920
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