On one of the tables sat a battery, some cables and a Casio F-91W watch. The watch had been a favourite among young Filipinnos for years, but Fariscal had never seen one quite like this.

[Matteo] has been a fan of the Casio F-91W wristwatch virtually since its release in 1989. And not without good reason, either. The watch boasts reliable timekeeping and extremely long battery ...

Were they all leading to this? A small digital watch that costs less than $20 on Amazon. Fact is, the Casio F-91W watch is an astoundingly reliable timekeeper, and it outperforms fancy mechanical ...

Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Now we can add Casio’s F-91W to the list of iconic watches that dared to mess with ...

For most of my life, I have been wearing watches from the pioneer watchmaker, from the array of multi-colored and varied ...

This small circuit board, less than an inch in diameter, replaces the original quartz movement in a Casio F-91W watch to put the capabilities of an ultra-low-power ARM Cortex M0+ microcontroller ...

When you think of a Casio, this might very well be the one you're thinking of. An ultra-affordable, easy-to-wear classic from the brand, the F-91W might just be quintessential Casio watch.

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 ...

You could argue that the best Casio watch is the F-91W. Since it was released in 1989, it has gone on to sell more units than any other ticker in history. However, that would be overlooking all ...

Certain watches can stay just as they are and people will keep buying them. The Casio F-91W, one of the continuously best-selling watches in the world, keeps the time on a readable display and ...