Side by side

Fortis Marinemaster M-40vsBoldr Odyssey Freediver

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
Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Odyssey Freediver40mm
Power Reserve
Marinemaster M-4038h
Odyssey Freediver40h
Water Resistance
Marinemaster M-40300m
Odyssey Freediver300m
MSRP
Marinemaster M-40$3,520
Odyssey Freediver$649

Full specifications

Case

3 specs
Thickness
13mm
14.2mm
Lug-to-Lug
48mm
Lug Width
21mm
20mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Orange
202
Lume
None
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$3,520
$649

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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.

Boldr Odyssey Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

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