Side by side
Casio B640vsCasio GMD-S5610BB
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
7 of 29 specs differDiameter
B64035mm
GMD-S5610BB40.5mm
Power Reserve
B640—
GMD-S5610BB—
Water Resistance
B64050m
GMD-S5610BB200m
MSRP
B640$80
GMD-S5610BB$110
Full specifications
Case
5 specsDiameter
35mm
40.5mm
Thickness
9.4mm
11.9mm
Lug-to-Lug
38.9mm
45.7mm
Material
Resin
Resin / Bio-based resin
Water Resistance
50m
200m
Crystal & Dial
1 specsCrystal
Acrylic
Mineral
Pricing
1 specsMSRP
$80
$110
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