FS: New old-stock CASIO PROTREK PRT-20 (Cal.1525) | WatchCharts
Amazon.com: CASIO Watch PROTREK PRT-B70T-7JF [Angler Line 20 ATM Water Resistant BLE Compatible PRT-B70 Series] Shipped from Japan : Clothing, Shoes & Jewelry
Amazon.com: Casio Men's Pro Trek Bluetooth® Connected Angler Line Sports Watch with Resin Strap, Black, 22.5 (Model: PRT-B70-1CR) : Clothing, Shoes & Jewelry
Casio Pro Trek Bluetooth Compass Altimeter Thermometer Watch PRT-B70 PRTB70-2
CASIO PRT-50 PROTREK Model 1376 VINTAGE DIGITAL Watch Sensor Quartz Japan Made 79767567248 | eBay
CASIO PRT-20 PROTREK WATCH VERY RARE FROM 1980S JAPAN MADE V/G/C | #695450015
Casio PRT 20 Men's Retro Digital Watch | #306617917