Casio Calculator Watch With Green Screen Mod CA-53W-1ER - Etsy
$20 Movie Star! The Casio CA53W from Back To The Future - YouTube
Amazon.com: Casio CA-53WF-3B Calculator Green Digital Mens Watch Original New Classic CA-53, 43.2×34.4×8.2mm (CA-53WF-3BDF) : Clothing, Shoes & Jewelry