Side by side
Casio GR-B300vsRockwell Time Coliseum Fit (digital)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
GR-B30054.7mm
Coliseum Fit (digital)49mm
Power Reserve
GR-B300—
Coliseum Fit (digital)—
Water Resistance
GR-B300200m
Coliseum Fit (digital)100m
MSRP
GR-B300$330
Coliseum Fit (digital)$130
Full specifications
Case
8 specsCategory
Sport
—
Diameter
54.7mm
49mm
Thickness
15.7mm
0mm
Lug-to-Lug
59mm
0mm
Lug Width
—
30mm
Material
Bio-based Carbon / Bio-based resin / Sta
Resin
Finish
—
—
Water Resistance
200m
100m
Crystal & Dial
2 specsAR Coating
No
—
Dial Color
Black
—
Movement
2 specsCaliber
—
—
Power Reserve
—
0h
Pricing
1 specsMSRP
$330
$130
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