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⌚ Timeless tech, legendary style – never miss a moment!
The Casio F91W Series digital watch combines classic retro design with modern functionality, featuring a precise 1/100 second stopwatch, splash-proof water resistance, and an energy-efficient 7-year battery. Lightweight and equipped with an LED backlight, daily alarm, and auto calendar, it’s the perfect everyday companion for professionals who value reliability and understated style.






| ASIN | B01N7XKNSX |
| Additional Features | Alarm, Water Resistant |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 8.75 inches |
| Band Material Type | Resin |
| Band Width | 18 millimeters |
| Bands | 1 |
| Best Sellers Rank | #1,533 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1 in Men's Wrist Watches |
| Bezel Color | Black |
| Brand Name | Casio |
| Case Diameter | 33 millimeters |
| Case Material Type | Resin |
| Case Thickness | 35.2 millimeters |
| Character | Fashion |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | mineral |
| Customer Reviews | 4.6 out of 5 stars 2,226 Reviews |
| Dial Color | Gray |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Digital |
| Included Components | Quartz Movement, Resin Band, Brand's Case |
| Item Type Name | Watch |
| Item Weight | 0.09 kg |
| Manufacturer | Casio |
| Manufacturer Part Number | F-91WM-7ADF |
| Material | Resin |
| Model Name | F-91WM-7ACF |
| Model Number | F-91WM-7ACF |
| Pattern | Solid |
| Power Source | Battery Powered |
| Series Number | 91 |
| Shape | Rectangular |
| Sport Type | Walking |
| Strap Type | Two Piece Strap |
| Style Name | F91WM-7A |
| Theme | Sports |
| UPC | 889232140780 |
| Unit Count | 1 count |
| Warranty Type | Manufacturer |
| Watch Movement Type | Quartz |
| Water Resistance Level | Water Resistant |
A**X
Best everyday watch!
I got this watch after I found my older Casio watch and bought it back from the dead from sitting in a drawer for 10 plus years. The readability of these watches are amazing! The newer watch will be my everyday watch and the older one will be my beater watch for when I’m working outside or swimming. These types of watches are great for your first watch or just an everyday watch if like me want to go away from the smart watches. The only negative thing that I don’t like about this model is that the backlight is less to be desired. But that is on me for not doing enough research on this model. But all in all, I will definitely wear this watch and I’m pretty sure I’ll buy another one that has better backlighting in the future!
B**N
How can you hate it?
Looks great, super sturdy, 10 year battery life, so easy to read and fit and feel on it is amazing with useful features like alarm and stopwatch. How can you hate this retro Casio.
J**N
The Glock of digital watches
First: What Amazon calls "white" is actually the silver model. Do not order a "white" one expecting a white case. To the review: This watch is good. My usual hesitation with digital watches is that they are extremely overcomplicated, with alarms I do not know how to shut off (or set), etc. G shocks, Suuntos, etc, are all good watches if you need all their features. However, I do not. I expect most people do not. Most people need the time and date, and the Casio does this, and it does this well. I also like 24 hour time, and this is only possible on digital watches, unless you track down a Soviet submariner watch, which I don't want to do. This is the Glock of digital watches. Like a Glock shoots every time, and nothing else, the F-91W tells the time, date, and not much else. It has an alarm and a stopwatch if you are into that. They are unobtrusive features if you do not go in for them. The buttons do not get accidentally pressed, the housing is very low profile. I have only had this for a couple of days, so we will see on durability, but anecdotally these can take a lot of abuse. This would also be a good first watch for kids or for a elderly person who just wants a thing that can tell time. The LED light is a touch dim. According to how good your vision is, you might not be able to see the minutes and seconds, but you will probably be able to see the hour.
J**R
Lovely watches, Casio stands the test of time
I love love LOVE Casio watches. I've been using them for well over a decade. I'm someone who prioritizes function over form always, and this clearly tells you the time, day, and date at a glance. They're also almost indestructible. I love the slick color contrast of the silver against the black straps too. All you need to replace is the battery (which lasts 7 years) and the straps, and this cheap watch will last you a lifetime.
P**I
Love this watch but consider changing the bands
This watch is amazing, Casio delivers amazing solid, reliable quality with this watch and I’ve used it in many different cases and situations. My only gripe is that the bands will rip over time especially when you remove and put on the watch a lot. The light doesn’t illuminate the entire face of the watch but it gives you enough light to tell the time. It looks great and sleek and is a great size and fit for my wrist. I love the color I got but please if anyone reads this consider changing the bands or having nylon bands as a backup because these resin bands will break eventually. Also if you do change the bands please be mindful of how the pins enter and exit the slots and keep the original pins when changing the bands
C**Z
Simple, stylish, and super.
It's definitely on the smaller side which I like. I'm a woman, so it proportionally fits my wrist perfectly — not too big, not too small and dainty. I would say this watch definitely falls in the unisex category. It was super easy to program and it's easy to use, I also like that it's water resistant because I definitely might have accidentally spilled water on it with no problems afterwards. The profile of the watch is a bit slim which adds a bit of minimalist sophistication to it, not chunky or heavy at all which I feel like is often overkill with affordable watches like these. For whatever reason, manufacturers love to add on all sorts of useless designs and features to watches. Not this one. Lastly, I didn't care for this at first but now I really like it — the fact that it shows you the day and date, has been a nice little perk too. Overall a simple, affordable, quality watch. There's nothing to add and nothing to take away. Sometimes that's all you really need.
C**J
My favorite EDC watch
This iconic little timepiece proves that reliable functionality never goes out of style. Don't let the modest price tag fool you - the F91W is a masterclass in practical design that has rightfully earned its cult following. The display is crisp and easily readable in most conditions, with the LED backlight providing just enough illumination for those midnight time checks. The button layout becomes second nature quickly, making it easy to access the surprisingly comprehensive feature set. The stopwatch has served me well for everything from cooking to workouts, while the daily alarm has never failed to wake me up. The slim profile and lightweight design mean you'll often forget you're wearing it until you need it. What's particularly impressive is its durability. Despite the plastic construction, it handles daily wear and tear like a champ. The water resistance has protected it through countless hand washes and unexpected rain showers. The 7-year battery life isn't just marketing - these things really do run forever on a single battery. Sure, it's not going to win any luxury fashion awards, but that's entirely missing the point. This watch embodies the beautiful intersection of functionality, reliability, and simplicity. Whether you're using it as a trusty backup, a gym companion, or your daily driver, the F91W just works. It's a refreshing reminder that some designs are simply timeless.
J**Z
Casio
Nice
M**D
Best quality
Classic one ❤️
R**L
Nice for a small wrist & easy to read
Great little watch!
M**Y
clasicazo
como en los antiguos la luz no ilumina y se funde, pero que queréis? es un casio, da la hora y el día, una maravilla.
B**N
Très légère
Ensemble très léger . Peut être trop léger, ou est le metal ? surement sur les boutons mais pour le reste, je cherche encore.
1**3
さらに安いのがあった。
品物はとても良いです。軽くてシンプル。 ですが、購入後に地元のホームセンターで2000円を切る値段で売られていたので、まずはスーパーやホームセンターなどを見てみるのが良いかと思いました。
Trustpilot
2 weeks ago
2 months ago