Casio AT-550 Touch Screen LCD Digital Calculator Watch | #1778452390
Vintage Casio Watch AT 550 Janus Touchscreen Calculator | WatchCharts
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Casio - AT-550 - - Watch - Casio AT550 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - 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