Side by side

Spinnaker Dumas GMTvsYema Superman Tourbillon CMM.31 Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

9 of 29 specs differ
Diameter
Dumas GMT44mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Dumas GMT40h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Dumas GMT300m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Dumas GMT$399
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
44mm
43mm
Thickness
15mm
11.7mm
Lug-to-Lug
48mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Steel

Movement

1 specs
Caliber
Seiko NH34A
Yema CMM.31 Tourbillon

Pricing

1 specs
MSRP
$399
$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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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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