One of the most popular digital wristwatches, the Casio F-91W is a favoured by terrorists and militaries. A very affordable and durable wristwatch, even celebrities and politicans wear it. This article from Vice.com explains why perhaps this is the most famous watch of all time... "Ripley wore a Casio F-91W in Alien, as did Obama before he became the president of the United States. Apparently, it’s also the only branded thing Osama bin Laden ever wore in public. Thirty years after its launch, Japanese watchmaker Casio is still producing 3 million units a year, meaning it's likely you've at least seen if not worn one too."

Read the full story at Vice.com and below is a review by Ben Arthur. This made us want to own one again even if we already have a collection of other Casio G-Shocks.

Top photo: A Casio F-91W digital watch (Wikimedia)