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
Casio - F-2 - - Vintage calculator - Casio F2 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA