Dach Schule Handbuch casio tc 50 Erbe bewundern Gen
UPDATE: today I had a new battery and wrist band installed in the Casio TC- 50 that I bought in the 1980s. It is fully functional, including the touch screen calculator. So cool !
G-Shock HK - Javys on Twitter: "CASIO TC-50 TOUCH SENSOR VINTAGE CALCULATOR WATCH YEAR 1984 MODULE 120 BOXED I invite you to check our showroom where you will find a significant selection
Casio TC- 50: 1984 - 30+ year old touch screen wristwatch technology - YouTube
ULTRA RARE VINTAGE 1983 Casio TC-50 Digital Touch Sensor Calculator Watch Japan $86.00 - PicClick