Side by side

Fortis Marinemaster M-44vsDOXA SUB 300 Carbon

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

Marinemaster M-44
FortisMarinemaster M-44
MSRP $5,120
SUB 300 Carbon
DOXASUB 300 Carbon
MSRP $4,390

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4444mm
SUB 300 Carbon42.5mm
Power Reserve
Marinemaster M-4438h
SUB 300 Carbon38h
Water Resistance
Marinemaster M-44300m
SUB 300 Carbon300m
MSRP
Marinemaster M-44$5,120
SUB 300 Carbon$4,390

Full specifications

Case

5 specs
Diameter
44mm
42.5mm
Thickness
14mm
12mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Carbon

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Orange
Aquamarine
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW220-1
COSC Chronometer
Jewels
26
25

Pricing

1 specs
MSRP
$5,120
$4,390

Follow this matchup

Get a note when Fortis Marinemaster M-44 vs DOXA SUB 300 Carbon 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-44

The Fortis Marinemaster M-44 is praised for its excellent build quality and wearability, featuring a highly legible dial and a COSC-certified Kenissi-based movement that ran at 0 seconds per day. Owners appreciate its 70-hour power reserve and the inclusion of multiple straps and a deployant buckle, noting its gorgeous appearance and great wrist presence. A minor point raised is the 21mm lug width, with a wish for it to be 22mm. The Fortis Marinemaster M-44 is priced at $4,150. Overall, owners and reviewers rate the Fortis Marinemaster M-44 highly for its robust specifications and comfortable wearability at its price point.

DOXA SUB 300 Carbon

The DOXA SUB 300 Carbon is widely praised for its exceptionally lightweight and comfortable forged carbon case, making it an ideal vacation or everyday watch. Owners and reviewers highlight the vibrant dial colors, the satisfyingly clicky bezel action, and the comfortable, adjustable rubber strap with a clever clasp. Its COSC-certified ETA 2824-2 movement is noted for reliable timekeeping, with one owner reporting +0.9 seconds per day and another an average of +5 seconds per day, though a 38-hour power reserve is a trade-off for its slimness. Some reviewers point out that the no-decompression bezel markings may not align with current diving science and that the luminous markers are less bright than some alternatives. The integrated rubber strap requires cutting to size, and the clasp has sharp edges. On balance, owners and reviewers rate the DOXA SUB 300 Carbon highly for its unique, lightweight carbon construction and comfortable wearability.

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.