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Casio EFS-S650DvsProTek Watches Model PT3101

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
Model PT3101
ProTek WatchesModel PT3101
MSRP $550
See the full Model PT3101
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Buy used on eBay ↗
Buy from ProTek Watches ↗
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At a glance

12 of 29 specs differ
Diameter
EFS-S650D40.9mm
Model PT310140mm
Power Reserve
EFS-S650D—
Model PT3101—
Water Resistance
EFS-S650D100m
Model PT3101100m
MSRP
EFS-S650D$250
Model PT3101$550

Full specifications

Case

7 specs
Category
Chronograph
—
Diameter
40.9mm
40mm
Thickness
11.7mm
11mm
Lug-to-Lug
46.7mm
0mm
Lug Width
—
20mm
Material
Stainless Steel
Titanium
Finish
—
—

Crystal & Dial

2 specs
AR Coating
Yes
—
Dial Color
Black
—

Movement

2 specs
Caliber
—
—
Power Reserve
—
0h

Pricing

1 specs
MSRP
$250
$550
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