Apr 2, 2015 · Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch. 4.6 out of 5 stars Casio Pro Trek PRW-3500/3510 Series . Situs resmi PRO TREK. Beragam produk peralatan luar ruangan PRO TREK yang autentik. Jajaran produk ini optimal untuk mendaki gunung, trekking, dan memancing. CLIMBER LINE, ANGLER LINE Smartphone Link, CAMPER LINE The Casio Pro Trek PRG-240-1ER is a wristwatch designed for outdoor enthusiasts. It features a durable construction, making it suitable for use in various outdoor activities. The watch is equipped with a reliable quartz movement, ensuring accurate timekeeping. One of the key features of the PRG-240-1ER is its solar-powered technology, which LgQso.