Side by side

Casio B640vsRockwell Time Coliseum Fit Forum (digital)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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B640
CasioB640
MSRP $80
See the full B640
Coliseum Fit Forum (digital)
Rockwell TimeColiseum Fit Forum (digital)
MSRP $130
See the full Coliseum Fit Forum (digital)
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At a glance

12 of 29 specs differ
Diameter
B64035mm
Coliseum Fit Forum (digital)37mm
Power Reserve
B640—
Coliseum Fit Forum (digital)—
Water Resistance
B64050m
Coliseum Fit Forum (digital)100m
MSRP
B640$80
Coliseum Fit Forum (digital)$130

Full specifications

Case

7 specs
Category
Sport
—
Diameter
35mm
37mm
Thickness
9.4mm
11.4mm
Lug-to-Lug
38.9mm
0mm
Lug Width
—
20mm
Finish
—
—
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
No
—
Dial Color
Black
—

Movement

2 specs
Caliber
—
—
Power Reserve
—
0h

Pricing

1 specs
MSRP
$80
$130
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