Teddy Baldassarre
Casio F-91W Review
The Casio F-91W is the best-selling wristwatch of all time, with more than 100 million units sold. This statement comes a pretty significant caveat, which depends on whether or not you consider the Apple Watch - well, a watch. I am a defender of “smartwatches,” but I think they have evolved to the point where “wearable” is a more appropriate term given the fact that their functionality when it comes to communication and health monitoring exceeds what any watch has ever done. So, with that established for the sake of this article, let’s put the 300 million Apple Watch sales aside for now. Casio F-91W History And "Controversy" The Casio F-91W was introduced all the way back in 1989 and is still in production, with the astonishing figure of 3 million units per year. What's even more remarkable is the fact that the Casio F-91W you can buy in 2025 basically looks the same as one you could have bought when it first launched 36 years ago. It was also the first watch designed by Ryuusake Morai, the prolific designer behind some of the most iconic Casio G-Shocks seen today. When a watch has been around as long as this, it can transcend fads and trends, but few can claim immunity/teflon status to an unfortunate PR association like the F-91W when it was used as a timer for explosives. I would absolutely not call it a “controversy,” because that would just be silly, but the always-excellent Watches of Espionage has a fantastic article dedicated to the topic, which you ...
