Side by side

Fortis Marinemaster M-40vsHorage Revolution 3 MicroReg

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
Revolution 3 MicroReg
HorageRevolution 3 MicroReg
MSRP $5,320

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
Revolution 3 MicroReg41mm
Power Reserve
Marinemaster M-4038h
Revolution 3 MicroReg72h
Water Resistance
Marinemaster M-40300m
Revolution 3 MicroReg100m
MSRP
Marinemaster M-40$3,520
Revolution 3 MicroReg$5,320

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
41mm
Thickness
13mm
10.05mm
Lug-to-Lug
48.22mm
Lug Width
21mm
22mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW220-1
Horage K2
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$5,320

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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.

Horage Revolution 3 MicroReg

The Horage Revolution 3 MicroReg showcases an innovative external micro-adjustment system for on-the-fly regulation via electromagnetic pulse, a remarkable feat of micro-engineering. This proof-of-concept prototype is still in early development, with a projected launch in late summer 2026 and a founder's price of CHF 3,900. On balance, reviewers highlight the revolutionary regulation technology as the defining characteristic of the Horage Revolution 3 MicroReg.

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