Interesting Engineering - Casio CFX-200 from 1983. Have you ever used this watch? 📸 Instagram/teknoelogy | Facebook
Just got this incredible condition CFX-200 scientific watch on eBay for 75 dollars + shipping and put a nato strap on in. So glad to finally get one and call it my
Vintage 1983 Casio 197 Cfx-200 Scientific Calculator Watch Works Great for sale online | eBay