Side by side

Horage DecafluxvsFortis Marinemaster M-40

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

Decaflux
HorageDecaflux
MSRP $3,080
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

12 of 29 specs differ
Diameter
Decaflux40mm
Marinemaster M-4040mm
Power Reserve
Decaflux40h
Marinemaster M-4038h
Water Resistance
Decaflux100m
Marinemaster M-40300m
MSRP
Decaflux$3,080
Marinemaster M-40$3,520

Full specifications

Case

5 specs
Category
Dress
Diver
Thickness
9.98mm
13mm
Lug-to-Lug
46mm
Lug Width
20mm
21mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
No
Inner
Dial Color
Black
Orange
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Horage K3
Sellita SW220-1
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$3,080
$3,520

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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.

Horage Decaflux

The Horage Decaflux is praised for its innovative in-house K3 movement, featuring a silicon escapement and a 96-hour power reserve, along with chronometer certification and a slim 9.98mm profile. Reviewers note its tinted sapphire crystal, lightning bolt seconds hand, and bracelet with an integrated vibe and thin clasp. The watch is priced at CHF 2,750, with preorder pricing at CHF 2,500, representing a strong value for an in-house Swiss movement. Some reviewers find the lightning bolt seconds hand slightly too wide and note a direct design homage to the Rolex Milgauss. On balance, reviewers rate the Horage Decaflux highly for its technical innovation and value proposition at its price point.

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.

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