Side by side

Casio GM-B2100SDvsOblvlo XM Racing

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

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GM-B2100SD
CasioGM-B2100SD
MSRP $600
See the full GM-B2100SD
XM Racing
OblvloXM Racing
MSRP $269
See the full XM Racing
Buy from Casio ↗
Buy used on eBay ↗
Buy from Oblvlo ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
GM-B2100SD44.4mm
XM Racing42mm
Power Reserve
GM-B2100SD—
XM Racing42h
Water Resistance
GM-B2100SD200m
XM Racing50m
MSRP
GM-B2100SD$600
XM Racing$269

Full specifications

Case

6 specs
Diameter
44.4mm
42mm
Thickness
12.8mm
12mm
Lug-to-Lug
49.8mm
0mm
Lug Width
—
20mm
Finish
—
—
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—

Movement

4 specs
Caliber
—
Miyota 82S7
Type
Quartz
Automatic
Power Reserve
—
42h
Jewels
0
25

Pricing

1 specs
MSRP
$600
$269
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