This is the Casio AT-552 Janus, a touchscreen and gesture-controlled calculator watch. From 1984 😮 : r/Damnthatsinteresting
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
Vintage Rare Casio quartz MQ-332 mens watch | eBay
Today I Learned...The Casio AT-552 Janus Was The First Generation Of Touchscreen Watch