Side by side
Casio B640vsCasio GD-B500
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
GD-B50041.5mm
Power Reserve
B640—
GD-B500—
Water Resistance
B64050m
GD-B500200m
MSRP
B640$80
GD-B500$120
Full specifications
Case
4 specsDiameter
35mm
41.5mm
Thickness
9.4mm
11mm
Lug-to-Lug
38.9mm
46.3mm
Water Resistance
50m
200m
Crystal & Dial
2 specsCrystal
Acrylic
Mineral
Dial Color
Black
Gray
Pricing
1 specsMSRP
$80
$120
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