Vintage CASIO CFX - 400 watch - Scientific calculator - Collectible - price reduced to $550 | WatchUSeek Watch Forums
![Casio Vintage Calculator (34.4mm) Digital Dial / Black Resin Strap CA-53W-1ER - First Class Watches™ USA Casio Vintage Calculator (34.4mm) Digital Dial / Black Resin Strap CA-53W-1ER - First Class Watches™ USA](https://us.firstclasswatches.com/thumbnails/images/products/product120437-9403_cropped.jpg.thumb_FFFCFA_553x1000.jpg)
Casio Vintage Calculator (34.4mm) Digital Dial / Black Resin Strap CA-53W-1ER - First Class Watches™ USA
![Amazon.com: Casio #DBC611G-1D Men's Gold Tone 25 Memory Calculator Databank Watch : Casio: Clothing, Shoes & Jewelry Amazon.com: Casio #DBC611G-1D Men's Gold Tone 25 Memory Calculator Databank Watch : Casio: Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51gSd1tXh9L._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: Casio #DBC611G-1D Men's Gold Tone 25 Memory Calculator Databank Watch : Casio: Clothing, Shoes & Jewelry
![Nerd Watch Museum: Calculator Watches, Part One | Vintage Electronics Have Soul – The Pocket Calculator Show Website Nerd Watch Museum: Calculator Watches, Part One | Vintage Electronics Have Soul – The Pocket Calculator Show Website](http://www.pocketcalculatorshow.com/wp-content/uploads/2012/06/casio-ca-951.jpg)