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-550 Janus Vintage Calculator Watch With Original - Etsy
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
CASIO AT-552 [OldDigitalWatch.jp]
CASIO AT-550G Touch Screen Analog/Digital Calculator Watch | My Site
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VINTAGE CASIO JANUS TOUCH CALCULATOR WATCH AT-552 MADE IN JAPAN | Inox Wind