Side by side

Tudor Black Bay GMTvsYema Superman Tourbillon CMM.31 Limited Edition

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

Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

20 of 29 specs differ
Diameter
Black Bay GMT41mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Black Bay GMT70h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Black Bay GMT200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Black Bay GMT$5,275
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
41mm
43mm
Thickness
14.6mm
11.7mm
Lug-to-Lug
46mm
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Steel
Indices
Applied

Movement

7 specs
Caliber
MT5652
Yema CMM.31 Tourbillon
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None

Pricing

1 specs
MSRP
$5,275
$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.

Tudor Black Bay GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

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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