![1984 CASIO AT-550 TOUCH DRAW SCREEN CALCULATOR ANA-DIGI JAPAN VINTAGE WATCH | WatchCharts Marketplace 1984 CASIO AT-550 TOUCH DRAW SCREEN CALCULATOR ANA-DIGI JAPAN VINTAGE WATCH | WatchCharts Marketplace](https://cdn.watchcharts.com/listings/b3c9c36c-9002-4232-9818-ef953f4e7c61.jpg)
1984 CASIO AT-550 TOUCH DRAW SCREEN CALCULATOR ANA-DIGI JAPAN VINTAGE WATCH | WatchCharts Marketplace
![Brian Roemmele on X: "It was 1982 and the Casio's AT-550 was the first consumer hand recognition device and first consumer touch screen device, built into a calculator watch with an analog Brian Roemmele on X: "It was 1982 and the Casio's AT-550 was the first consumer hand recognition device and first consumer touch screen device, built into a calculator watch with an analog](https://pbs.twimg.com/media/ELO6awmUwAAmnvu.jpg)
Brian Roemmele on X: "It was 1982 and the Casio's AT-550 was the first consumer hand recognition device and first consumer touch screen device, built into a calculator watch with an analog
![Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell](https://media.karousell.com/media/photos/products/2021/4/14/rare_vtg_vintage_casio_at_550__1618414972_8d925eab_progressive.jpg)
Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell
![Turhan Bozkurt on X: "⌚️Dokunmatik ekranlı "Casio AT-552 Janus" marka saat 1984 yılında imal edildi. https://t.co/Yeo2Z6NXjX" / X Turhan Bozkurt on X: "⌚️Dokunmatik ekranlı "Casio AT-552 Janus" marka saat 1984 yılında imal edildi. https://t.co/Yeo2Z6NXjX" / X](https://pbs.twimg.com/ext_tw_video_thumb/1752087930603016192/pu/img/zy30Dw0CAzohdyBn.jpg)