Fortis Marinemaster M-40vsSeestern Ocean Star S450-2.EC

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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

Ocean Star S450-2.EC
Diameter
40mm
40mm
Thickness
13mm
n/a
Water Resistance
300m
highest
100m
Power Reserve
38h
n/a
MSRP
$3,520
$225
lowest
Movement
Sellita SW220-1
Automatic
Case
4 specsCrystal & Dial
1 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 widely praise the Seestern Ocean Star S450-2.EC's bracelet and clasp, calling them exemplary for the price. One owner notes the overall quality and its automatic Seiko NH35 movement, finding it a compelling alternative for those seeking a Doxa-like aesthetic. A reviewer suggests improvements could be made to the case finishing and handset size, while highlighting the desirable cast lume. Overall, owners rate the Seestern Ocean Star S450-2.EC highly for its exceptional bracelet and clasp at the price point, with the cast lume also being a noted positive.
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