uWatch - A DIY Programmable Scientific Calculator Watch
PRE-TRIMMED POLYESTER DECAL for CFX-400 - For Casio 463 Scientific calculator EUR 17,46 - PicClick FR
Casio CFX-400 LCD | WatchUSeek Watch Forums
Saturday watch here, Casio made some great lines of timepieces, but the calculator watches are probably the most recognized, this one is the Casio CFX-400! Capable of normal timekeeping, it was a