World of Engineering on Twitter: "Hello Sunday. Wait till of end of video. Wearing my immaculate 1986 Casio TC-600 Touch Screen Calculator. This watch has a dual-layer LCD with one layer for
Tc-600 old school touch screen. One of my coolest watches : r/casio
Casio TC-600 Calculator Alarm Chronograph LCD Watch Original Bracelet #119 MINT | eBay
1985 Casio TC-600 | Long before smart watches, there were calculator watches. 1985 Casio TC-600 with touch sensor display... there's just something so cool about these!... | By Plethora Businesses | Facebook