Side by side
Sheffield 1AvsYema 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
1A40mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
1A—
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
1A200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
1A$223
Superman Tourbillon CMM.31 Limited Edition$13,000
Full specifications
Case
5 specsDiameter
40mm
43mm
Thickness
12.8mm
11.7mm
Lug-to-Lug
46mm
—
Lug Width
20mm
22mm
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White/Blue
Steel
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
Yema CMM.31 Tourbillon
Power Reserve
—
40h
Pricing
1 specsMSRP
$223
$13,000
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