Massimo on Twitter: "Believe it or not, this is the Casio AT-552 Janus, a touchscreen and gesture-controlled calculator watch. From 1984 [full video, by ChromeFD: https://t.co/40cPb33rwE] [read more: https://t.co/bTkawvBKYt] https://t.co/
Before Smartwatches, There was the Gesture-Controlled, Touchscreen Casio AT-552 Janus Calculator Watch from 1984 - TechEBlog
CASIO Janus AB 110 Analog Digital 1980s Vintage Databank - Etsy