Side by side

Fortis Marinemaster M-40vsLinde Werdelin Oktopus Deep Sea

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
Oktopus Deep Sea
Linde WerdelinOktopus Deep Sea
MSRP $8,102

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Oktopus Deep Sea44mm
Power Reserve
Marinemaster M-4038h
Oktopus Deep Sea40h
Water Resistance
Marinemaster M-40300m
Oktopus Deep Sea300m
MSRP
Marinemaster M-40$3,520
Oktopus Deep Sea$8,102

Full specifications

Case

5 specs
Diameter
40mm
44mm
Thickness
13mm
15.25mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
None
Superluminova

Movement

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

Pricing

1 specs
MSRP
$3,520
$8,102

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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.

Linde Werdelin Oktopus Deep Sea

The Linde Werdelin Oktopus Deep Sea is lauded for its unique Alloy Linde Werdelin (ALW) case, offering superior strength and lightness, and its exceptional, multi-colored lume developed with Black Badger, which transforms the dial into a vibrant display in low light. Reviewers highlight the watch's comfortable 44mm lugless design and its architecturally striking, multi-layered dial. A minor criticism notes that the big date display is not lumed. Overall, reviewers praise the Linde Werdelin Oktopus Deep Sea for its innovative materials and visually engaging lume application.

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