![CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist](https://images.craigslist.org/00G0G_8HHmJ0tukrZ_0t20CI_600x450.jpg)
CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist
![CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist](https://images.craigslist.org/00101_juavclOUR4H_0pO0ii_600x450.jpg)
CASIO AT550 JANUS MOD 320 SENSOR TOUCH CALCULATOR VINTAGE WATCH - jewelry - by owner - sale - craigslist
![1984 Casio AT-552 Janus Gesture-Controlled Touchscreen Calculator Watch Mod 320 | WatchCharts Marketplace 1984 Casio AT-552 Janus Gesture-Controlled Touchscreen Calculator Watch Mod 320 | WatchCharts Marketplace](https://cdn.watchcharts.com/listings/4c47405d-0551-4510-9a94-e1c9ab310a4b.jpg)
1984 Casio AT-552 Janus Gesture-Controlled Touchscreen Calculator Watch Mod 320 | WatchCharts Marketplace
![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)
Rare Vtg vintage Casio AT 550 Janus Touchscreen Calculator Watch, Men's Fashion, Watches & Accessories, Watches on Carousell
![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
![Casio gesture controlled touchscreen calculator watch « Adafruit Industries – Makers, hackers, artists, designers and engineers! Casio gesture controlled touchscreen calculator watch « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2019/02/Untitled-78.png)