In a dingy part of Manila in 1995, two men were mixing chemicals in an apartment building. Murad and his friend Ramzi had some prior knowledge of chemistry, having dabbled for the previous two years.

The brilliant horological innovations of historic watchmakers like Huygens and Breguet. Past generations’ quest for ever greater precision and accuracy. Centuries of mechanical refinements and ...

The Casio F-91W is easily one of the most iconic and popular watches worldwide. But what’s cool about having the same exact thing as millions of other people? Not much, unless of course you modify it ...

Forbes contributors publish independent expert analyses and insights. Ewan Spence covers the digital worlds of mobile technology. With everyone looking towards the wrist in 2015, can we learn anything ...

You can argue all day about which watch is the most iconic in the world. Is it the Rolex Submariner? The Omega Speedmaster? But there’s no arguing over which iconic watch is the most affordable. That ...

The Casio F-91W is probably the most popular wristwatch ever made. It’s been in production forever, it’s been worn by presidents, and according to US Army intelligence it is “the sign of al-Qaeda”.

Casio's 'F-91W' was released in 1989, and its design has remained almost unchanged since its debut up until the time of writing. Coupled with its impressive cost performance, it's also known as a ...

The Casio F-91W is a classic digital wristwatch that’s been in constant production since it was first released in 1989. With a $20 starting price, the watch offers a water resistant design, an LED ...