Fatih Arslan on X: "This is the Casio DB-520. Made in 1985, almost 38 years old. I just changed the battery and it stills work. This has a special place in my
Jam CASIO DB520 DATA BANK watch
Casio Vintage Data Bank DB-520 Review
Rare Vintage Casio Digital Module Date bank DB-520 World Time 675 Watch | eBay
Casio] DB-520 DataBank : r/Watches
Casio DB-520 Data Bank 50 Watch module 675 Retro 1985 Digital | eBay
VINTAGE CASIO DB-520 MODULE 675 MADE IN JAPAN J WATCH USED WATCH WORKING PERFECT