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Casio ProTrek PRG-240 / a little banged up | WatchUSeek Watch Forums
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CASIO PRG-240-1ER Test - YouTube
Solar-powered Pro Trek PRG-340 improves on the PRG-240 - G-Central G-Shock Fan Site
CASIO PRO TREK - PRG-240-1JF that combines practicality with a casual style. Accurate information from directional, barometric pressure / altitude and temperature measurement functions keep you at the top of your game
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