Bohen Mille MervsFortis Marinemaster M-40
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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.

Mille Mer

Marinemaster M-40
Diameter
40mm
40mm
Thickness
15mm
13mm
lowest
Water Resistance
1000m
highest
300m
Power Reserve
42h
highest
38h
MSRP
$3,240
lowest
$3,520
Movement
Automatic
Sellita SW220-1
Case
3 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Bohen Mille Mer's aggressive design, strong visual identity, and comfortable wearability, with many appreciating its well-finished bracelet and internal date magnifier. Reviewers note its substantial 17.5mm thickness, while some owners find the internal date magnifier slightly excessive. The Soprod M100 movement is Chronofiable tested to +/- 4 seconds per day. On balance, owners and reviewers rate the Bohen Mille Mer highly for its unique, overbuilt dive watch aesthetic and comfortable wearability.
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.
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