Vintage Watch Hunter - We've got a beautiful Casio C-801 in steel for sale this week. This watch is exceedingly rare and one of the first calculator watches in the world. DM
VINTAGE CASIO C801 Calculator Watch £134.99 - PicClick UK
First good morning from my newly restored c801 more pics... : r/casio
Casio - C-801 - - Watch - Casio C801 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA