Side by side

Casio GBM-2100AvsOmnis Eon

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

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GBM-2100A
CasioGBM-2100A
MSRP $280
See the full GBM-2100A
Eon
OmnisEon
MSRP $701
See the full Eon
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Buy from Omnis ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
GBM-2100A44.4mm
Eon41.5mm
Power Reserve
GBM-2100A—
Eon48h
Water Resistance
GBM-2100A200m
Eon50m
MSRP
GBM-2100A$280
Eon$701

Full specifications

Case

7 specs
Category
Sport
—
Diameter
44.4mm
41.5mm
Thickness
11.9mm
12mm
Lug-to-Lug
49.3mm
—
Material
Bio-based Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
—
Miyota 8215
Type
Quartz
Automatic
Power Reserve
—
48h

Pricing

1 specs
MSRP
$280
$701
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