Side by side

Fortis Marinemaster M-40vsTudor Black Bay 54

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
Black Bay 54
TudorBlack Bay 54
MSRP $4,725

At a glance

18 of 29 specs differ
Diameter
Marinemaster M-4040mm
Black Bay 5437mm
Power Reserve
Marinemaster M-4038h
Black Bay 5470h
Water Resistance
Marinemaster M-40300m
Black Bay 54200m
MSRP
Marinemaster M-40$3,520
Black Bay 54$4,725

Full specifications

Case

7 specs
Diameter
40mm
37mm
Thickness
13mm
11.2mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

6 specs
Caliber
Sellita SW220-1
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
70h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$3,520
$4,725

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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.

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

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