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
The Casio From 'Everything Everywhere All At Once'
Vintage Casio 305 AG 500 Stainless Steel Bracelet Band Dual Module Analog/digital 3 Hands Date Gift for Him Dad Alexlittlethings.etsy.com - Etsy
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 Module 320 Janus Sensor Touch Calculator Vintage Watch For Parts | eBay