A classic Casio watch is back in some new finish options. The CA53 collection – better known as the Casio Calculator watch – now comes in a finish dedicated to the original Casio personal ...

The home of one of the computer company’s founders displays some of its first products, including credit card-size calculators and specialty watches.

In fact the first Casio calculator watch came out almost five years after the first calculator watches hit store shelves. There are debates about which calculator watch actually came first.

As you can see in the screenshots above, there’s no Casio branding on the interface due to legal obligations, but nearly everything else is directly inspired by the popular classic calculator watch.

The Casio Calculator Apple Watch App transforms your cutting-edge wrist-worn technology into a 1980’s retro Casio Calculator watch for $1.

Geek Watch is an app for the iPhone, iPad, and of course the Apple Watch which will give you the freedom to turn your new-fangled multi-hundred dollar device into a touchscreen replica of a fun ...

Casio’s Vintage Data Bank Digital Watch is now only $32 on Amazon. Shoppers say it's "vintage and geeky” but “the most eye-catching wrist candy” you could wear.

With a good understanding of the basics, [Daniel] set about modifying a CASIO calculator watch for practice. After soldering a metal stud to the watch case failed, a second attempt with conductive ...

In particular, Casio popularized the concept, with models ranging from the simple (the CA-50, which included a basic calculator with 16 buttons) to the outrageously complicated, like the CFX-40.

While we're talking about cult classic watches, the Casio Calculator watch deserves a mention. Perhaps best known from its appearance on the wrist of Marty McFly in the hit film, Back to the ...