Mattia] decided that a spare key card might be good to have around, and that building it into his Casio F-91W watch would put the key as close at hand as it could be without getting an implant. I accidentally pushed the single right pusher for the few seconds required to see the Easter egg “CASIo” anti-counterfeiting display. Yes, as with two dollar Chinese plastic Hero fountain pens, there are actually fakes out there, some of which have incorporated this stealth hallmark.

The Casio F-91W is no thing of beauty, but it’s clean, minimalist design has stood the test of time. It’s the embodiment of function over fashion. It’s anti-style, unless you’re going for retro nerd chic. While this watch prioritises function over form, I think the F-91W is an absolute essential to own. Whether as a first watch, or just as a cheap daily beater; there’s many reasons why this watch has legendary status. This is certainly no statement piece, but is it the best Casio Watch to buy? Overall, it’s truly a pleasure to wear for work and everyday tasks. Personally, I prefer the metallic Casio A158W variant, as I find it looks more stylish with my outfits and looks less like a ‘dad watch’. However, the F-91W is cheaper and does have a more comfortable strap; so, will certainly be of preference to many. My father, for instance, who works as a plumber adores the practicality of the Casio F-91W, which has adorned his wrist for over 20 years.Casio F91W-1: The retro watch with a strange double life". Montredo. February 4, 2020 . Retrieved April 19, 2020.

The range of jewellery conventionally accepted for men was very limited. Cuff links perhaps or a wedding band -- and of course a timepiece, which was frequently a status symbol. The Collection F-91W is a quartz-driven wristwatch featuring a digital display. Though sometimes regarded with contempt by purists, quartz watches are extremely precise, to around 15 seconds per month. This far exceeds even the most luxurious mechanical models. Practical Companion All I am trying to say is that, only a modded or an upgraded version of F 91W can replace the watch.Let’s start off by saying it’s not the most fashionable – but that’s not its aim. It’s incredibly comfortable – you barely notice it’s perched on the wrist. This is mainly thanks to the ridiculously light weight of 20g and petite dimensions. Just like the case, the strap is also made of soft resin. You might think that it’s a poor choice but U would say that it’s perfect! Casio has made some smart cost cutting in the choice of case and strap material. The whole watch (including the strap) is made of resin. Right now, the smartwatches and Fitbits have taken over the digital watch market. These watches are loaded with features, features that were unimaginable even a single decade ago.

Aufranc (CNXSoft), Jean-Luc (January 11, 2022). "Microchip SAM L22 board makes Casio F-91W watch more customizable (Crowdfunding) - CNX Software". CNX Software - Embedded Systems News . Retrieved October 4, 2023.Counterfeits [ edit ] Holding the right button for 3 seconds in the main timekeeping mode leads the display to show "CASIo", which is useful to spot a counterfeit model (applicable for newer models of the F-91W and its variants, including F-94W and A158W) A couple of other funky things to be aware of (believe it or not there are fakes of this watch out there): 1. press all the buttons together to display all the digits and 2. hold the bottom right button for 5 seconds for it to read “Casio”.

It’s hard to find an alternate version of the Casio F 91W. After all, people don’t buy the watch for functionality anymore. It’s a fashion statement now. The right button, labeled "Alarm On-Off/24hr", is the function button: when used, it starts and stops the stopwatch, changes the settings currently being adjusted, or switches between the 12- and 24-hour modes, depending on what mode the watch is currently in. Pressing all three buttons at the same time will fill all the cells on the LCD until any button is pressed again. [10] Nguyen, Khoi (August 31, 2018). "Casio F91W Review - Retro Digital Sport Watch". Gentleman Within (review) . Retrieved August 28, 2019. Casio uses a digital quartz movement that is known as both Module 593 or Casio 593. It’s a chronograph movement that is only seen in Casio F 91W these days. The chronograph can display 1/100-second digital stopwatch for up to one hour. Japanese Domestic Market (JDM) model. Uses the same 593 module, but the case's design is more similar to the older F-28W and F-87W. It has lugs instead of an embedded strap.

Okay, so it isn’t quite perfect….

So, if you want to find an alternative, you’ll have to look for a model upgrade of Casio F 91W or get a mod version. On the front is a shatter-resistant acrylic “window lens” – aka the crystal. Whilst it may be shatter resistant, it’s not scratch resistant – as mine has a bit of a battle scar by the bottom right pusher. The lens provides exceptional clarity to the LCD screen, which is perfectly visible from every angle, even in direct sunlight.