First good morning from my newly restored c801 more pics... : r/casio
Recently got this Casio C-801 from my grandpa. : r/casiovintage
CASIO C-801 CALCULATOR Mod 133 Japan USED NOT WORKING For parts or repair | eBay
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
CASIO C-801 (133) Calculator Watch | This is CASIO C-801 Mod… | Flickr