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![Before Smartwatches, There was the Gesture-Controlled, Touchscreen Casio AT- 552 Janus Calculator Watch from 1984 - TechEBlog Before Smartwatches, There was the Gesture-Controlled, Touchscreen Casio AT- 552 Janus Calculator Watch from 1984 - TechEBlog](https://media.techeblog.com/images/touchscreen-casio-calculator-watch.jpg)
Before Smartwatches, There was the Gesture-Controlled, Touchscreen Casio AT- 552 Janus Calculator Watch from 1984 - TechEBlog
![CASIO AT-552 MODULE 320 Janus Sensor Touch Calculator Vintage Watch - New Batt! EUR 497,11 - PicClick IT CASIO AT-552 MODULE 320 Janus Sensor Touch Calculator Vintage Watch - New Batt! EUR 497,11 - PicClick IT](https://www.picclickimg.com/~zgAAOSwqQVhBF8t/Casio-AT-552-Module-320-Janus-Sensor-Touch-Calculator.webp)