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Amazon.com: Casio Protrek Tough Solar Powered Environmentally Friendly Biomass Outdoor Sports Watch with Altimeter, Barometer, Compass, and Thermometer Style PRW-61-1. : Patio, Lawn & Garden
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Casio Protrek Tough Solar Triple Sensor Compass Barometer Altimeter Prg-240, Men's Fashion, Watches & Accessories, Watches on Carousell
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The ABCs (Altimeter, Barometer, Compass) of Casio Produce a Truly Useful and Stylish Pro Trek Watch! | GearDiary
CASIO G-SHOCK - G-SQUAD Feature #4: Step Tracker, Altimeter, Barometer, Compass For our GBD-H1000 we use the accelerometer - a sensitive sensor that is used in most devices today. It measures an "
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