Classic Casio is the favorite wristwatch of Terrorists

The Casio F-91W is more than two decades old, but it’s still a favorite with terrorists. The iconic digital watch has a reliable timer that’s perfect for setting off bombs.

As the online fashion site Highsnobiety reports, the watch has been a huge seller for the Japanese electronics maker for years, but along the way it has picked up a reputation as the bomb-maker’s timepiece of choice because of its reliable workings, ease of modification, and wide availability.

“Said to be handed out to apprentice bomb makers at al-Qaeda training camps, the watch face can be hooked up to a circuit board, some 9-volt batteries and plastic explosives with little difficulty, then set to detonate as easily as fixing your morning alarm,” the site notes.

Classic Casio is the favorite wristwatch of Terrorists

Possessing one in the US detention facility in Guantanamo Bay is a very big no-no: Authorities have discovered dozens of them being held by alleged Al Qaeda operatives, according to a Wikileaks document.

It may or may not be relevant that the watch is a stone-cold design classic, worn with nerdy élan by everyone from Napoleon Dynamite to a young Barack Obama: