Side by side
Casio GMD-B300vsBoldr Five-in-a-Row
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
15 of 29 specs differDiameter
GMD-B30043.8mm
Five-in-a-Row38mm
Power Reserve
GMD-B300—
Five-in-a-Row—
Water Resistance
GMD-B300200m
Five-in-a-Row200m
MSRP
GMD-B300$135
Five-in-a-Row$399
Full specifications
Case
7 specsCategory
Sport
Tool
Diameter
43.8mm
38mm
Thickness
12mm
12.8mm
Lug-to-Lug
46.4mm
44mm
Lug Width
—
20mm
Material
Resin / Bio-based resin
Titanium
Finish
—
—
Crystal & Dial
4 specsCrystal
Mineral
Sapphire
AR Coating
No
Yes
Dial Color
Black
Five In A Row I
Lume
None
Super-LumiNova
Movement
3 specsCaliber
—
Seiko NH35
Type
Quartz
Automatic
Power Reserve
—
0h
Pricing
1 specsMSRP
$135
$399
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