Fortis Marinemaster M-40vsPhoibos Storm Corsair
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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

Storm Corsair
Diameter
40mm
40mm
Lug-to-Lug
n/a
46mm
Thickness
13mm
11.5mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
38h
n/a
MSRP
$3,520
$480
lowest
Movement
Sellita SW220-1
Miyota 9015
Case
4 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 widely praise the Phoibos Storm Corsair for its exceptional quality and value, with one owner finding it superior to Seiko and Citizen watches up to 350€. The lume is consistently highlighted as excellent and very bright, matching product images, though its afterglow duration is considered short. Some owners report the bracelet feels cheap, contrasting with the watch's overall quality feel and impressive lume. One owner noted an internal bezel misalignment, identifying it as a factory defect. Overall, owners rate the Phoibos Storm Corsair highly for its impressive lume and quality for the price.
The dual-crown design for the internal rotating bezel is a noted strength. The lume performance, specifically the Black Super-LumiNova, was not clearly defined. Reviewers were split on whether the case design and bracelet were strong points for the price.
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