Side by side

Fortis Marinemaster M-40vsDOXA SUB 300T

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
SUB 300T
DOXASUB 300T
MSRP $2,190

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
SUB 300T42.5mm
Power Reserve
Marinemaster M-4038h
SUB 300T40h
Water Resistance
Marinemaster M-40300m
SUB 300T1,200m
MSRP
Marinemaster M-40$3,520
SUB 300T$2,190

Full specifications

Case

5 specs
Diameter
40mm
42.5mm
Thickness
13mm
12mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
1200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Orange
Aquamarine
Lume
None
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$3,520
$2,190

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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.

DOXA SUB 300T

Owners widely praise the DOXA SUB 300T's functional and distinctive design, with reviewers highlighting its historical visibility and robust build. Legibility is consistently noted as excellent, with reviewers appreciating the functional no-decompression bezel and distinct hand shapes. The watch's accuracy is reported as good, with one owner seeing a 3-4 second daily gain, though the 38-hour power reserve is considered underwhelming by some at its price point. Criticisms include a stamped clasp that feels out of place and a bezel that may have lateral movement. The 42.5mm case is described as substantial and heavy, appearing larger due to extra width and making it unsuitable for dress shirts, a trade-off for its 1200-meter water resistance. On balance, owners and reviewers rate the DOXA SUB 300T highly for its unique design and robust dive watch capabilities.

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