Casio Pro Trek PRG-240 strap adapters | WatchUSeek Watch Forums
PRG240-5 | Black Watch - PRO TREK | CASIO
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
Solar-powered Pro Trek PRG-340 improves on the PRG-240 - G-Central G-Shock Fan Site
Protrek Japan Release 2 new prg-240 color | WatchUSeek Watch Forums