Pro Trek PRW-51FC-1 and PRW-61FC-1 are deluxe models with sapphire crystal and composite band, PRW-51Y-1 is a standard model with resin band
Casio ProTrek PRW-61Y-3ER | Helveti.eu
CASIO PROTREK PRW-1500TJ Men's used watch solar Digital black | eBay
Casio ProTrek PRW-6100 Review — carbon fiber and clear display
CASIO PRO TREK PRW-30Y-1BJF PRW-30Y-1B Tough solar WATCH – IPPO JAPAN WATCH
Casio Pro Trek PRW-61-1AER Watch • EAN: 4549526318344 • Mastersintime.com
Amazon.com: CASIO G-Shock PRO Trek PRW-6800-1JF [10 ATM Water Resistant Solar Radio Wave PRW-6800] Watch Shipped from Japan : Clothing, Shoes & Jewelry