Brian Roemmele on Twitter: "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
CASIO AT-550G Touch Screen Analog/Digital Calculator Watch | My Site
Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell
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 AT-550G Touch Screen Analog/Digital Calculator Watch | My Site
VINTAGE CASIO JANUS TOUCH CALCULATOR WATCH AT-552 MADE IN JAPAN | Inox Wind
CASIO - 【昭和レトロ】1980年代 カシオ腕時計 CASIO AT-552 現状品の通販 by まいにち青森のど田舎で農作業's shop|カシオならラクマ
Casio - AT-550 - - Montre - Casio AT550 - Casio.ledudu.com - bibliothèque des ordinateurs et des calculatrices Casio de ledudu. - RETRO CALCULATOR FX PB SF LC SL HP FA
CASIO AT-550G Touch Screen Analog/Digital Calculator Watch | My Site
Casio - AT-550 - - Montre - Casio AT550 - Casio.ledudu.com - bibliothèque des ordinateurs et des calculatrices Casio de ledudu. - RETRO CALCULATOR FX PB SF LC SL HP FA