![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
![Original CASIO FX-991EX Advanced Scientific Calculator 552 Functions Engineering Students High School Lab Office Solar - Battery Original CASIO FX-991EX Advanced Scientific Calculator 552 Functions Engineering Students High School Lab Office Solar - Battery](https://ae01.alicdn.com/kf/Ua76f305eb74e4b3e82d438dcef4f5038b/Original-CASIO-FX-991EX-Advanced-Scientific-Calculator-552-Functions-Engineering-Students-High-School-Lab-Office-Solar.jpg)
Original CASIO FX-991EX Advanced Scientific Calculator 552 Functions Engineering Students High School Lab Office Solar - Battery
![CASIO AT-550 MODULE 320 Janus Sensor Touch Calculator Vintage Watch Collectible £789.21 - PicClick UK CASIO AT-550 MODULE 320 Janus Sensor Touch Calculator Vintage Watch Collectible £789.21 - PicClick UK](https://www.picclickimg.com/RngAAOSwnNphZFjj/Casio-AT-550-Module-320-Janus-Sensor-Touch-Calculator.webp)
CASIO AT-550 MODULE 320 Janus Sensor Touch Calculator Vintage Watch Collectible £789.21 - PicClick UK
Casio - AT-552 - - Watch - Casio AT552 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![Casio Janus AT-552] Finally got the one watch I remember wanting most as a kid looking through old Casio adverts. Calculator watch you enter digits via drawing them on the screen, super Casio Janus AT-552] Finally got the one watch I remember wanting most as a kid looking through old Casio adverts. Calculator watch you enter digits via drawing them on the screen, super](https://external-preview.redd.it/U98O1v2f9PM-Z3sg_0gC-Z451Eli1NUU7pKa0IevEPo.jpg?auto=webp&s=abff4bace27a46ada9ca85a48d9785a3e5286610)
Casio Janus AT-552] Finally got the one watch I remember wanting most as a kid looking through old Casio adverts. Calculator watch you enter digits via drawing them on the screen, super
![Casio gesture controlled touchscreen calculator watch « Adafruit Industries – Makers, hackers, artists, designers and engineers! Casio gesture controlled touchscreen calculator watch « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2019/02/Untitled-78.png)