My entire collection so far. Sorry they're not all synchronised! Model numbers are listed under each picture. : r/casio
VINTAGE DBC-81 CASIO DATA BANK CALCULATOR WATCH # NEW CONDITION | WatchCharts
Vintage Casio DBC-81 Databank-80 , Calculator, World Time Mens Watch | WatchCharts
Question about Casio Dbc-81 | WatchUSeek Watch Forums
New]CASIO Casio data bank DATABANK DBC-611-1 tele memo 25 eight columns calculation function electronic calculator currency conversion function digital mens Ladies unisex size Silver X Black country DBC-611-1JF and same model * * -
Casio] DB-81 Cognit Schema ~ The grail I never knew I needed : r/Watches
History of Casio DBC, DBX, and DBM Data Bank Calculator Watches | WatchUSeek Watch Forums
History of Casio DBC, DBX, and DBM Data Bank Calculator Watches | WatchUSeek Watch Forums
CASIO Vintage Retro Data Bank 80 Telememo Calculator Digital Watch DBC-810 4971850561125 | eBay
Casio DBC-81 Databank-80 DBC-800 Back Cover calculator | Etsy