Side by side

Fortis Marinemaster M-40vsTudor Black Bay Ceramic

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 Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
Black Bay Ceramic41mm
Power Reserve
Marinemaster M-4038h
Black Bay Ceramic70h
Water Resistance
Marinemaster M-40300m
Black Bay Ceramic200m
MSRP
Marinemaster M-40$3,520
Black Bay Ceramic$6,125

Full specifications

Case

7 specs
Diameter
40mm
41mm
Thickness
13mm
14.4mm
Lug-to-Lug
46mm
Lug Width
21mm
22mm
Material
Stainless Steel
Ceramic
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
MT5602-1U
Power Reserve
38h
70h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$6,125

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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 Ceramic

The Tudor Black Bay Ceramic's matte ceramic case and bracelet offer a stealthy, scratch-proof aesthetic that shifts from anthracite to gray in light. Reviewers note its comfortable wearability, with one highlighting improved comfort over steel versions, and praise the METAS-certified MT5602-U movement. However, the sandblasted finishing is described as lacking contrast, and the bracelet's butterfly clasp omits on-the-fly adjustment. The PVD-treated steel bezel ring is also flagged as a potential wear-and-tear vulnerability. On balance, reviewers find the Tudor Black Bay Ceramic appealing for its unique ceramic construction and durable, stealthy finish, despite some functional limitations.

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