Side by side

Fortis Marinemaster M-40vsDOXA SUB 250T 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
SUB 250T GMT
DOXASUB 250T GMT
MSRP $2,790

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
SUB 250T GMT40mm
Power Reserve
Marinemaster M-4038h
SUB 250T GMT50h
Water Resistance
Marinemaster M-40300m
SUB 250T GMT250m
MSRP
Marinemaster M-40$3,520
SUB 250T GMT$2,790

Full specifications

Case

4 specs
Thickness
13mm
12mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
250m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Aquamarine

Movement

3 specs
Caliber
Sellita SW220-1
Power Reserve
38h
50h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$2,790

Follow this matchup

Get a note when Fortis Marinemaster M-40 vs DOXA SUB 250T GMT gets more votes, a community discussion, or a price drop. No account needed.

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 250T GMT

The DOXA SUB 250T GMT is widely praised for its compact and wearable 40mm case, with reviewers noting its slim 10.85mm thickness and short lug-to-lug measurement, making it comfortable on most wrists. Its precise bezel action is described as satisfying, and the watch offers 250 meters of water resistance. The inclusion of a GMT complication is seen as a valuable addition to Doxa's utilitarian dive watch design. However, the skeletonized GMT hand is a point of contention, with some reviewers finding it quirky and less intuitive, especially when compared to the minute hand, though others note it looks better in person and is easily ignored for diving. One reviewer expressed a preference for a "flier-style" movement for a dedicated travel watch. Limited editions are noted as having a slight price premium. The Sellita SW330-2 movement is generally mentioned, with power reserve figures varying between 50 and 56 hours.

From video reviewers

The watch's refined and wearable 42mm case size is a strength. Reviewers noted the iconic Doxa aesthetic combined with GMT functionality. No shared weaknesses were identified.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.