Casio DB-500 TELE MEMO DATA BANK VINTAGE 1983 WATCH WITH ORIGINAL BAND RUNS | eBay
Rare Casio Vintage Digital Watch 80s 1984 DB-500 from Japan | eBay
RARE Vintage 1984 Casio DB-500G Digital Data Bank Watch Made in Japan Mod. 262 | eBay
Casio " 262 " DB - 500 digital watch with "Data Bank" working, estate find .... | #542594333
Reloj digital casio db-500 vintage made in japa - Sold through Direct Sale - 151091686
Casio DB-500 Digital Men's Watch in SG13 East Hertfordshire für 35,00 £ zum Verkauf | Shpock DE
Reloj vintage casio data bank 50 telememo db-50 - Sold at Auction - 191123480
Casio] found this DB 500 in my grandfather's collection. Need more information about this, is it worth anything? Should I replace the battery? : r/Watches