Side by side

Casio ECB-2300DvsCasio GM-2100

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

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ECB-2300D
CasioECB-2300D
MSRP $280
See the full ECB-2300D
GM-2100
CasioGM-2100
MSRP $220
See the full GM-2100
Buy from Casio ↗
Buy used on eBay ↗
Buy from Casio ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
ECB-2300D45.8mm
GM-210044.4mm
Power Reserve
ECB-2300D—
GM-2100—
Water Resistance
ECB-2300D100m
GM-2100200m
MSRP
ECB-2300D$280
GM-2100$220

Full specifications

Case

6 specs
Category
Chronograph
Sport
Diameter
45.8mm
44.4mm
Thickness
10.9mm
11.8mm
Lug-to-Lug
50.2mm
49.3mm
Material
Stainless Steel
Resin / Stainless steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Pricing

1 specs
MSRP
$280
$220
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