Fortis Marinemaster M-44vsHelicon Siebe Gorman Type D Professional Diver
Ref. siebe-gorman-type-d-professional-diver-abyss-blue-limited-edition-vip-pre-order·MSRP $746
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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-44
Siebe Gorman Type D Professional Diver
Diameter
44mm
41mm
Lug-to-Lug
n/a
47.5mm
Thickness
14mm
11.9mm
lowest
Water Resistance
300m
300m
Power Reserve
38h
42h
highest
MSRP
$5,120
$746
lowest
Movement
Sellita SW220-1
Miyota 9039
Case
4 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsSimilar watches
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