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 ...

If you want to avoid an over the top questioning by the Airport security and subsequent anal probe it is probably best you do not own a Casio F-91W. The digital watch is common as muck and is as cheap ...

A lot of people across the world own one of these Leaked files reportedly reveal a certain Casio watch was viewed with suspicion by US officials as a possible sign of terrorist links. So how did the ...

A few years ago Joey Castillo introduced Sensor Watch, a $35 board designed to fit inside the shell of a Casio F-91W wristwatch, giving a classic watch some modern hardware including an ARM Cortex-M0+ ...

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 ...