Side by side

Fortis Marinemaster M-40vsStudio Underd0g Classic Cheese (Gen3)

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
Classic Cheese (Gen3)
Studio Underd0gClassic Cheese (Gen3)
MSRP $625

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Classic Cheese (Gen3)38.5mm
Power Reserve
Marinemaster M-4038h
Classic Cheese (Gen3)40h
Water Resistance
Marinemaster M-40300m
Classic Cheese (Gen3)
MSRP
Marinemaster M-40$3,520
Classic Cheese (Gen3)$625

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
40mm
38.5mm
Thickness
13mm
Lug Width
21mm
Water Resistance
300m

Crystal & Dial

1 specs
Dial Color
Orange
Exclusive Access

Movement

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

Pricing

1 specs
MSRP
$3,520
$625

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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.

Studio Underd0g Classic Cheese (Gen3)

The Studio Underd0g Classic Cheese (Gen3) is praised for its unique textured dial, graduating from yellow to orange with a distinctive "missing" slice at 3 o'clock, evoking melted cheese. It features a vintage-inspired 38.5mm stainless steel case with careful finishing, brushed and polished accents, and a 44.5mm lug-to-lug measurement. The watch is powered by a hand-wound Seagull ST-1901 chronograph movement, with a regulated accuracy of -10/+15 seconds per day and a 50m water resistance rating. On balance, reviewers highlight the Studio Underd0g Classic Cheese (Gen3)'s creative dial design and wearable vintage case proportions as its strongest attributes.

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