Vintage Casio Data Bank DB-520. Qw 675 Japan, WR.164ft AÑO1987. B815N | eBay
Casio DB-520 Vintage LCD | Memo mode running on the upper di… | Flickr
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
Casio DB-520 from 1985 rescued from street seller for 1.8 USD. : r/casio
Casio DATA BANK 50 DB-520 Silver Telememo Retro Watch Vintage - Etsy
Casio] DB-520 DataBank : r/Watches
Casio DB-520 Digital Data Bank 50 Watch Made in Japan Module 675 *Spares/Repairs | eBay
Possibly my favourite Casio, for some reason: the venerable DB-520 : r/casio
Rare Vintage Casio Digital Module Date bank DB-520 World Time 675 Watch | eBay