Side by side
Citizen AW1788vsGrand Seiko SLGA009
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
AW178840mm
SLGA00940mm
Power Reserve
AW178840h
SLGA009120h
Water Resistance
AW1788—
SLGA009100m
MSRP
AW1788—
SLGA009$9,800
Full specifications
Case
5 specsCategory
Casual
Dress
Thickness
12mm
11.8mm
Lug-to-Lug
46mm
47.9mm
Lug Width
21mm
22mm
Water Resistance
—
100m
Crystal & Dial
3 specsCrystal
Mineral
Sapphire
AR Coating
Inner
Yes
Dial Color
White
Black
Movement
3 specsCaliber
J810
9RA2
Type
Solar
Spring Drive
Power Reserve
40h
120h
Pricing
1 specsMSRP
—
$9,800
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