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Casio EFS-S650DvsCasio GMA-S2100

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

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EFS-S650D
CasioEFS-S650D
MSRP $250
See the full EFS-S650D
GMA-S2100
CasioGMA-S2100
MSRP $110
See the full GMA-S2100
Buy from Casio ↗
Buy used on eBay ↗
Buy from Casio ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
EFS-S650D40.9mm
GMA-S210042.9mm
Power Reserve
EFS-S650D—
GMA-S2100—
Water Resistance
EFS-S650D100m
GMA-S2100200m
MSRP
EFS-S650D$250
GMA-S2100$110

Full specifications

Case

6 specs
Category
Chronograph
Sport
Diameter
40.9mm
42.9mm
Thickness
11.7mm
11.2mm
Lug-to-Lug
46.7mm
46.2mm
Material
Stainless Steel
Carbon / Resin
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Mineral
AR Coating
Yes
No

Pricing

1 specs
MSRP
$250
$110
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