Side by side
Grand Seiko STGK003vsYema 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
STGK00328.7mm
Superman Steel CMM.1039mm
Power Reserve
STGK00350h
Superman Steel CMM.1040h
Water Resistance
STGK003100m
Superman Steel CMM.10300m
MSRP
STGK003$31,200
Superman Steel CMM.10$1,890
Full specifications
Case
7 specsCategory
Dress
Diver
Diameter
28.7mm
39mm
Thickness
10.9mm
11.3mm
Lug-to-Lug
35.1mm
—
Lug Width
14mm
19mm
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
2 specsCaliber
9S27
Yema CMM.10
Power Reserve
50h
40h
Pricing
1 specsMSRP
$31,200
$1,890
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