PRG-30 – cloth band, smaller case size and more legible font on the LCD
CASIO PROTREK PRG-30-5JF JDM
Casio PRO TREK PRG-30-2JF PRG-30-2 solar drive 10 bar watch for $163 for sale from a Seller on Chrono24
Casio Pro Trek PRW-30-1AJF 51.6 x 45.2 x 12.3 mm Black/Silver Stainless Steel Resin Case with Black Sukucibe Resin Strap Men's Wristwatch for sale online | eBay
ProTrek PRG-30 / 3499 / Mid-size & Bolder Font for Improved Legibility
Casio Protrek PRW-30-1AER | Helveti.eu
CASIO PRO TREK PRW-30-1AJF PRW-30-1A Tough solar WATCH – IPPO JAPAN WATCH
ProTrek PRW-30 / 3490 / Mid-size & Bolder Font for Improved Legibility