Side by side
Sheffield GMTvsYema Superman Tourbillon CMM.31 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
GMT40mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
GMT—
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
GMT200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
GMT—
Superman Tourbillon CMM.31 Limited Edition$13,000
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
40mm
43mm
Thickness
13mm
11.7mm
Lug-to-Lug
48mm
—
Lug Width
20mm
22mm
Water Resistance
200m
300m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Blue
Steel
Movement
2 specsCaliber
Seiko NH34
Yema CMM.31 Tourbillon
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$13,000
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