Side by side
Casio A100vsCasio GA-2100
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
A10032.7mm
GA-210045.4mm
Power Reserve
A100—
GA-2100—
Water Resistance
A100—
GA-2100200m
MSRP
A100$70
GA-2100$110
Full specifications
Case
5 specsDiameter
32.7mm
45.4mm
Thickness
9.2mm
11.8mm
Lug-to-Lug
40.7mm
48.5mm
Material
Resin / Chrome plated
Carbon / Resin
Water Resistance
WR
200m
Crystal & Dial
2 specsCrystal
Acrylic
Mineral
Dial Color
Silver
Black
Pricing
1 specsMSRP
$70
$110
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