Side by side

Casio GR-B300vsProTek Watches Model PT1011 USMC

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

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GR-B300
CasioGR-B300
MSRP $330
See the full GR-B300
Model PT1011 USMC
ProTek WatchesModel PT1011 USMC
MSRP $525
See the full Model PT1011 USMC
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Buy used on eBay ↗
Buy from ProTek Watches ↗
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At a glance

14 of 29 specs differ
Diameter
GR-B30054.7mm
Model PT1011 USMC42mm
Power Reserve
GR-B300—
Model PT1011 USMC—
Water Resistance
GR-B300200m
Model PT1011 USMC300m
MSRP
GR-B300$330
Model PT1011 USMC$525

Full specifications

Case

8 specs
Category
Sport
—
Diameter
54.7mm
42mm
Thickness
15.7mm
13.95mm
Lug-to-Lug
59mm
0mm
Lug Width
—
22mm
Material
Bio-based Carbon / Bio-based resin / Sta
Carbon
Finish
—
—
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
—
Citizen/Miyota 2S60
Power Reserve
—
0h

Pricing

1 specs
MSRP
$330
$525
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