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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/ELO6awoUcAA6xcB.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
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VINTAGE CASIO AT 552G Janus Touchscreen Calculator Watch immaculate For Repair. EUR 342,79 - PicClick IT
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Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell
Casio - AT-550 - - Watch - Casio AT550 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Casio - AT-550 - - Watch - Casio AT550 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
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