Side by side

Spinnaker Bradner GMTvsYema Superman Titanium Tourbillon CMM.31 Limited Edition

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299
Superman Titanium Tourbillon CMM.31 Limited Edition
YemaSuperman Titanium Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

10 of 29 specs differ
Diameter
Bradner GMT42mm
Superman Titanium Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Bradner GMT40h
Superman Titanium Tourbillon CMM.31 Limited Edition40h
Water Resistance
Bradner GMT180m
Superman Titanium Tourbillon CMM.31 Limited Edition300m
MSRP
Bradner GMT$299
Superman Titanium Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
42mm
43mm
Thickness
15mm
11.7mm
Lug-to-Lug
50mm
Material
316L Stainless Steel
Titanium
Water Resistance
180m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Brown
Titanium

Movement

1 specs
Caliber
Seiko NH34A
Yema CMM.31 Tourbillon

Pricing

1 specs
MSRP
$299
$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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

Yema Superman Titanium Tourbillon CMM.31 Limited Edition

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition is noted for its in-house titanium tourbillon movement offering a 105-hour power reserve and 200m water resistance, alongside a unique asphalt-grained dial. Owners find the 43mm size wearable, with one describing it as a contradictory "toolwatch" with exceptional movement craftsmanship. A reviewer flags the bracelet clasp's extension system as crude. On balance, owners and reviewers highlight the impressive movement and dial as key strengths of the Yema Superman Titanium Tourbillon CMM.31 Limited Edition.

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