Side by side
Grand Seiko SBGA384vsYema Superman Steel CMM.10
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
SBGA38440mm
Superman Steel CMM.1039mm
Power Reserve
SBGA38472h
Superman Steel CMM.1040h
Water Resistance
SBGA384100m
Superman Steel CMM.10300m
MSRP
SBGA384$29,500
Superman Steel CMM.10$1,890
Full specifications
Case
6 specsCategory
Dress
Diver
Diameter
40mm
39mm
Thickness
12.5mm
11.3mm
Lug-to-Lug
46.2mm
—
Material
Gold
316L Stainless Steel
Water Resistance
100m
300m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Steel
Movement
3 specsCaliber
9R15
Yema CMM.10
Type
Spring Drive
Automatic
Power Reserve
72h
40h
Pricing
1 specsMSRP
$29,500
$1,890
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