Side by side

Fortis Marinemaster M-40vsSeiko 5 Sports SKX series Heritage Design Re-creation Limited Edition

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

At a glance

14 of 29 specs differ
Diameter
Marinemaster M-4040mm
5 Sports SKX series Heritage Design Re-creation Limited Edition38.2mm
Power Reserve
Marinemaster M-4038h
5 Sports SKX series Heritage Design Re-creation Limited Edition41h
Water Resistance
Marinemaster M-40300m
5 Sports SKX series Heritage Design Re-creation Limited Edition100m
MSRP
Marinemaster M-40$3,520
5 Sports SKX series Heritage Design Re-creation Limited Edition$440

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
40mm
38.2mm
Thickness
13mm
12.3mm
Lug-to-Lug
44.7mm
Lug Width
21mm
20mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Orange
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW220-1
4R36
Power Reserve
38h
41h
Jewels
26
24

Pricing

1 specs
MSRP
$3,520
$440

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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.

Seiko 5 Sports SKX series Heritage Design Re-creation Limited Edition

The Seiko 5 Sports SKX series Heritage Design Re-creation Limited Edition is praised for its faithful recreation of the 1968 original, featuring a 39mm case and vintage dial details. Reviewers note its comfortable bracelet and heritage-inspired design, with one calling it heritage-inspired Seiko at its best. The $450 MSRP is considered reasonable. However, the 4 o'clock crown placement can be challenging for setting the time, and some enthusiasts may find the case finishing does not meet their expectations. On balance, reviewers rate the Seiko 5 Sports SKX series Heritage Design Re-creation Limited Edition highly for its authentic vintage design and comfortable wearability at its price point.

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