![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
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-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
![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 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](https://pbs.twimg.com/media/ELO6awmUwAAmnvu.jpg)
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-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 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 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](https://external-preview.redd.it/U98O1v2f9PM-Z3sg_0gC-Z451Eli1NUU7pKa0IevEPo.jpg?width=640&crop=smart&auto=webp&s=62206096f28754fa342df87381e282c46f9c3517)
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
![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_8219d8ad_progressive.jpg)