Fortis Marinemaster M-40vsVentus Watches Northstar
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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

Northstar
Diameter
40mm
40mm
Lug-to-Lug
n/a
45mm
Thickness
13mm
13mm
Water Resistance
300m
300m
Power Reserve
38h
n/a
MSRP
$3,520
n/a
Movement
Sellita SW220-1
Seiko NH35
Case
2 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 praise the Ventus Northstar for its overbuilt and practical diver watch aspects, with perceived quality far above its price point. One owner notes the brass case measures 40mm with a 45mm lug to lug and 13mm thickness, featuring a double-domed sapphire crystal with inner AR coating. The case is rated for 300m water resistance. Some owners find the N1 version's dial underwhelming and the rubber strap flimsy, while one owner reports the white dial WD007ST has a noticeably misaligned date wheel. Overall, owners rate the Ventus Northstar highly for its exceptional value and robust build quality at its price point.
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