Side by side

Fortis Marinemaster M-40vsSpinnaker Croft 39 GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Croft 39 GMT39mm
Power Reserve
Marinemaster M-4038h
Croft 39 GMT40h
Water Resistance
Marinemaster M-40300m
Croft 39 GMT100m
MSRP
Marinemaster M-40$3,520
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39mm
Lug-to-Lug
47mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Red

Movement

3 specs
Caliber
Sellita SW220-1
Seiko NH34A
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$445

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What people say

Owners + reviewers, side by side

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

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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