Setting the Time - Casio Protrek PRG-240 (works for Module 3246 & 3173 watches) - YouTube
Configure Home City - Casio Pro Trek PRG-240 (works for Module 3246 & 3173 watches) - YouTube
User manual Casio Pro Trek PRG-240-1ER (English - 10 pages)
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Casio Pro Trek Pathfinder Prg-240 3246 Triple Sensor Outdoor Sport Watch for sale online | eBay