Side by side
Grand Seiko SBGD223vsYema Superman Slim CMM.20
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
SBGD22344.5mm
Superman Slim CMM.2039mm
Power Reserve
SBGD223192h
Superman Slim CMM.2040h
Water Resistance
SBGD223100m
Superman Slim CMM.20300m
MSRP
SBGD223$320,000
Superman Slim CMM.20$2,372
Full specifications
Case
7 specsCategory
Chronograph
Diver
Diameter
44.5mm
39mm
Thickness
14.4mm
9.95mm
Lug-to-Lug
52mm
—
Lug Width
23mm
20mm
Material
Platinum
316L Stainless Steel
Water Resistance
100m
300m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Movement
3 specsCaliber
9R01
Yema CMM.20
Type
Spring Drive
Automatic
Power Reserve
192h
40h
Pricing
1 specsMSRP
$320,000
$2,372
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