Casio Protrek PRT 500 I found for just $5. Guess I did ok : r/casio
ジャンク】CASIO PROTREK 腕時計 PRT-500 ツインセプト ツインセンサー クォーツ product details | Proxy bidding and ordering service for auctions and shopping within Japan and the United States - Get the latest news on sales
20mm Black Rubber Watch Band Strap comp Casio Protrek PRT-500 , PRT-60 , PRT-70 | eBay
VINTAGE CASIO PROTREK PRT-500 ,V.RARE MODEL IN EXCELLENT FULLY WORKING & FUNCTIO | WatchCharts
ジャンク】CASIO PROTREK 腕時計 PRT-500 ツインセプト ツインセンサー クォーツ product details | Proxy bidding and ordering service for auctions and shopping within Japan and the United States - Get the latest news on sales