![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
Vintage CASIO CFX - 400 watch - Scientific calculator - Collectible - price reduced to $550 | WatchUSeek Watch Forums
CASIO T-2000 1984 ( New Old Stock ) 🔴 SOLD to WASHINGTON 🔴 #casio #vintagecasio #casiot2000 #t2000 | Instagram
![Casio DW-5200 - the "Hero" - from 1984 - with 240 module for $1,558 for sale from a Private Seller on Chrono24 Casio DW-5200 - the "Hero" - from 1984 - with 240 module for $1,558 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/32368366-1p37pfjic7bkiac5xw8gzzs8-ExtraLarge.jpg)