Amazon.com: Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 : Clothing, Shoes & Jewelry
Casio Pro Trek #3246 PRG-240T Base Titanium/Stainless Steel Watch RUNS AL468 | WatchCharts
PRG340-3 | Green Watch - PRO TREK | CASIO
Setting the Time - Casio Protrek PRG-240 (works for Module 3246 & 3173 watches) - YouTube