Fortis Marinemaster M-40vsManufaktur Waldhoff Atlas 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
Atlas GMT
Diameter
40mm
41mm
Thickness
13mm
lowest
13.5mm
Water Resistance
300m
300m
Power Reserve
38h
41h
highest
MSRP
$3,520
$548
lowest
Movement
Sellita SW220-1
Seiko NH34
Case
3 specsCrystal & Dial
3 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Fortis Marinemaster M-40 for its gorgeous appearance and strong wrist presence, noting its impressive lume. The watch comes with a bracelet and three rubber straps, including a deployant buckle. On balance, owners rate the Fortis Marinemaster M-40 highly for its aesthetic appeal and comprehensive strap package.
The watch's Swiss Made construction and robust design are consistently praised. Reviewers noted the bracelet as a potential point of contention.
Owners praise the Manufaktur Waldhoff Atlas GMT for its quality and "spec monster" features for an office GMT diver. However, one owner found the 41mm case too large for their wrist, leading them to sell it in favor of smaller case sizes. The watch utilizes a Seiko NH34 automatic movement and offers 300m water resistance. Overall, owners appreciate the Manufaktur Waldhoff Atlas GMT for its impressive specifications and build quality at its price point, though case size can be a personal fit consideration.
The watch features excellent dial legibility due to high-quality Swiss luminous material. The Seiko NH34 GMT movement powers the watch.
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