Side by side

Fortis Marinemaster M-40vsOblvlo IM Mechanical

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
IM Mechanical
OblvloIM Mechanical
MSRP $178

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-4040mm
IM Mechanical42mm
Power Reserve
Marinemaster M-4038h
IM Mechanical40h
Water Resistance
Marinemaster M-40300m
IM Mechanical50m
MSRP
Marinemaster M-40$3,520
IM Mechanical$178

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
13mm
12.5mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW220-1
Power Reserve
38h
40h
Jewels
26
24

Pricing

1 specs
MSRP
$3,520
$178

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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.

Oblvlo IM Mechanical

Owners praise the Oblvlo IM Mechanical's cool looks, good lume, and bubble crystal, with one owner finding it wears smaller than expected and is easy to read. However, timekeeping is noted as running fast, approximately +15 to 30 seconds per day. One owner finds the dial design unusual with calendar functions in chronograph-style subdials. On balance, owners appreciate the Oblvlo IM Mechanical's aesthetics and wearability, despite inconsistent timekeeping.

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