![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 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](https://pbs.twimg.com/ext_tw_video_thumb/1165587800437284865/pu/img/5ldRZy4kjdc47_CO.jpg)
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
![🇺🇦Evan Kirstel #B2B #TechFluencer on Twitter: "Head of its “Time”: the Casio TC-600 “smartwatch” from 1986 with a Touch Sensor display @CASIOJapan #watch #old #technology #casio #updated #display #sensor #calculator #history #classic # 🇺🇦Evan Kirstel #B2B #TechFluencer on Twitter: "Head of its “Time”: the Casio TC-600 “smartwatch” from 1986 with a Touch Sensor display @CASIOJapan #watch #old #technology #casio #updated #display #sensor #calculator #history #classic #](https://pbs.twimg.com/ext_tw_video_thumb/1057765307761090561/pu/img/LxlPVe_tp1-cBCKo.jpg)
🇺🇦Evan Kirstel #B2B #TechFluencer on Twitter: "Head of its “Time”: the Casio TC-600 “smartwatch” from 1986 with a Touch Sensor display @CASIOJapan #watch #old #technology #casio #updated #display #sensor #calculator #history #classic #
![Nerd Watch Museum: Calculator Watches, Part One | Vintage Electronics Have Soul – The Pocket Calculator Show Website Nerd Watch Museum: Calculator Watches, Part One | Vintage Electronics Have Soul – The Pocket Calculator Show Website](http://www.pocketcalculatorshow.com/wp-content/uploads/2012/06/casio-tc-600.jpg)
Nerd Watch Museum: Calculator Watches, Part One | Vintage Electronics Have Soul – The Pocket Calculator Show Website
![CASIO - TC-600 - Calculator - Vintage Digital Watch - Digital-Watch.com | Retro watches, Casio watch, Vintage watches CASIO - TC-600 - Calculator - Vintage Digital Watch - Digital-Watch.com | Retro watches, Casio watch, Vintage watches](https://i.pinimg.com/1200x/1c/30/b1/1c30b168c7c20535970d7a534d4356d0.jpg)