Side by side

Fortis Marinemaster M-40vsYema Superman Tourbillon CMM.31 Limited Edition

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
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

9 of 29 specs differ
Diameter
Marinemaster M-4040mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Marinemaster M-4038h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Marinemaster M-40300m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Marinemaster M-40$3,520
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

3 specs
Diameter
40mm
43mm
Thickness
13mm
11.7mm
Lug Width
21mm
22mm

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Orange
Steel

Movement

3 specs
Caliber
Sellita SW220-1
Yema CMM.31 Tourbillon
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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