Side by side

Fortis Marinemaster M-40vsDOXA SUB 300

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 300
DOXASUB 300
MSRP $2,890

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
SUB 30042.5mm
Power Reserve
Marinemaster M-4038h
SUB 30038h
Water Resistance
Marinemaster M-40300m
SUB 300300m
MSRP
Marinemaster M-40$3,520
SUB 300$2,890

Full specifications

Case

4 specs
Diameter
40mm
42.5mm
Thickness
13mm
12mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm

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
$3,520
$2,890

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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 300

The DOXA SUB 300 is widely praised for its wearability and vibrant color options, with reviewers noting its compelling charm and modern updates like improved lume and a meter-based bezel. Owners report the DOXA SUB 300 wears comfortably, with its cushion case and beads-of-rice bracelet contributing to a smaller perceived size. The COSC-certified ETA 2824-2 movement is noted for its accuracy, with one owner seeing it gain only +1 second in three days. However, some owners flag issues with the bracelet's end links sticking out and a sharp clasp edge, while one reviewer found the lume to be a disappointment. The polished bezel surface is also noted as prone to scratches. Overall, owners and reviewers rate the DOXA SUB 300 highly for its wearability and distinct design, despite some minor finishing concerns.

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