Fortis Marinemaster M-40vsRaven Custom - 39mm GMT Diver

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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.

Fortis Marinemaster M-40 at true scale

Marinemaster M-40

Raven Custom - 39mm GMT Diver at true scale

Custom - 39mm GMT Diver

Diameter

40mm

39mm

Thickness

13mm

n/a

Water Resistance

300m

highest

200m

Power Reserve

38h

n/a

MSRP

$3,520

$590

lowest

Movement

Sellita SW220-1

Seiko NH34

Case

6 specs
Diameter
40mm
39mm
Thickness
13mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
21mm
20mm
Material
Stainless Steel
Ceramic
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Orange
n/a

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$3,520
$590
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

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.

From video reviewers

The watch's Swiss Made construction and robust design are consistently praised. Reviewers noted the bracelet as a potential point of contention.

Raven Custom - 39mm GMT Diver

Owners praise the Raven Custom - 39mm GMT Diver for its 39mm case size, legibility, and bezel action. One owner notes the watch runs flawlessly. The Raven Custom - 39mm GMT Diver is offered new in box for $375, featuring a Seiko NH34 GMT movement and BGW9 lume. Some owners find the included bracelet too simple for the case finish and opt for alternatives. Overall, owners rate the Raven Custom - 39mm GMT Diver highly for its wearability and value.