Casio C-801 Calculator Watch Module 133 - Etsy India
Computermuseum: Casio C801 from 1981
RARE Casio Vintage Digital Watch NOS Junk 80s 133 C-801 Calculator Nerd Retro for sale online | eBay
Casio C-801 Vintage Digital LCD Quartz Calculator Watch Black
Casio C-801 Digital Calculator Module 133 For SPARE PARTS / REPAIRS (3) - G-Shock Vintage
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 | Liquid Crystal
Recently got this Casio C-801 from my grandpa. : r/casiovintage