First watch I ever owned… Vintage Casio AE-22W Twin-Graph II : r/casio
Clockology Bahrain - Casio twin graph II http://www.mediafire.com/file/shvlnek5ujiz7pu/Casio+twin+graph+2.clock/file if you want to support my work, you can donate to me on paypal, it help me a lot paypal.me/Rashid754 | Facebook