


⌚ Timeless tech for the modern hustle — stay sharp, stay ahead.
The Casio Classic F91W is a legendary digital watch featuring a precise quartz movement, 1/100 second stopwatch, and 30-meter water resistance. Its auto calendar and dual time formats support seamless daily use, while the durable resin case and mineral crystal ensure long-lasting wear. Perfect for professionals who value reliability, minimalist style, and functional simplicity in a compact, affordable package.





| ASIN | B000GAWSDG |
| Action | add |
| Age range | Adult |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Batteries included? | Yes |
| Best Sellers Rank | 28,978 in Fashion ( See Top 100 in Fashion ) 132 in Men's Wrist Watches |
| Brand | Casio |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (49,145) |
| Date First Available | 29 Mar. 2008 |
| Department | Unisex |
| Display type | Digital |
| Features | Alarm, Lightweight, Water Resistant |
| Included components | All |
| Is discontinued by manufacturer | No |
| Item model number | F-91W-1X |
| Manufacturer | CASIO |
| Material type | Resin |
| Power source | Battery Powered |
| Product Dimensions | 9 x 34 x 39 cm; 53.86 g |
| Seasons | Year-round |
| Shape | Square |
| Size | No Size |
| Sport | Running, fitness |
| Style | F-91W-1 |
D**G
Excellent Value Timepiece
I have bought this same make & model of watch for something like 20 years or more, this latest (due to losing the last one on holiday) being my 4th. I did change the battery on the first (after 5 years+) but have not bothered since, as the cost of a battery was a significant % of the cost of a new watch - a bit like changing a car when the ashtray gets full!!! But up to personal choice. I had one where the rubbery strap split and broke after about 4 years- but again the cost of a strap outweighed just getting a new watch, and besides, I do not personally like to wear a watch on my wrist, just keep in my shoulder bag/trouser pocket!!! (so that one with no strap lasted me a further 3 years, before the battery died) So, if a cheap, inexpensive, accurate (20 seconds slow after 1 year) "throwaway when battery/strap broken/stopped" style of watch is what you are looking for - then in my opinion this one is a good choice. Oh - and finally, yes the light at night is not very bright (I have to also pop my reading glasses on), and the alarm is not very loud (but I find good enough as a gentle reminder for 20 seconds) - but don't a lot of people these days also have mobile/cell 'phones that do all that (and tell the time!).....so good enough as a secondary/auxiliary time piece in my view, with also handy stopwatch/time counter function.
S**N
The perfect watch for wise people. Anything more is pure vanity.
The only things to survive the apocalypse will be cockroaches and Casio F-91Ws. The watch collector's watch - smart, accurate, indestructible, cheap. Does all you ever really need a watch to do. Anything more is pure vanity. Be smart - buy one, buy them all. You know it makes sense.
M**P
Awesome little watch...
I bought this watch for times when I was doing outdoor rough and tumble stuff. I have other watches for dress, but this little watch was a real surprise performer. It has been totally reliable and worked well after all sorts of abuse. I cannot recommend this enough. For the price you pay it is an absolute steal, you won't be disappointed. It puts a Seiko I have to shame. If I have to mention a downside, I'd say getting you're head around the buttons can be rather interesting, and the back light isn't great. But the positives easily outweigh those negatives. I don't know how Casio can produce such a little gem for such little money. One of my better buys.
M**H
Iconic design, accurate timekeeping, a bargain watch
I am not really a fan of digital watches! Except this watch (or one as close to this in looks as makes no difference) was the one that I used during my military training back in 1988... As such, and purely for nostalgia and the retro styling, I bought this. When I bought my original Casio watch back in 1987-88, I think it cost more than £20-£30 (that was quite a lot of money to me then!) so it really was a no-brainer to buy this iconic slice of time-keeping design history for £10 almost 35 years later. It looks slightly incongruous next to the other more traditional watches in my collection but it does have a nostalgic hold over me! So - what do I think about this watch now? It tells the time. It does this simply, accurately and the battery seems to last forever (around 3 years so far - that's longer than one of my more 'flashy' analogue watches costing almost 30 times more from a 'good' manufacturer which seems to go through a battery a year). The display is easy to read and the back light is good enough for night time use (which beats the lume on some of my more expensive watches). It's splash-proof and quite tough - at this price point, I have no qualms about taking this watch out on hiking and cycling trips (which is another plus over some of my other watches). The design is iconic - and it looks cool, not flashy... The only thing that did shock me was that the watch did seem much smaller than I remembered but that is probably just my memory playing tricks. In short - this is a good buy - if you want a functional, iconic and accurate watch it probably can't be beaten! It certainly makes more sense than spending hundreds of pounds!
D**N
A good watch for a reasonable price.
I had the first watch of this model about 20y ago and have been pleased to the point of buying a new one of the same type. I use it for the time and date, not the timer or the alarm. The former are easy to set compared with other clocks we have. It is light weight and low profile. The watch was set on receipt 30days ago and has gained 15s in that time so I am happy with the accuracy. - I still have the 20y old one which gains around 3min a month so needs setting every month. It has had a new cell 5y ago and was difficult to start after fitting. Several new straps have been fitted and recently it lost a strap pin which I replaced with a paper clip cutting. The glass is a little scratched, but otherwise it is still fine. I recommend it as a time-piece.
J**A
Magnifique
F**I
Para su pequeño volumen, está bien.
M**D
Classic one ❤️
A**O
Bellissimo e funzionale. Mia figlia lo adora
N**O
Die Uhr war gut verpackt und wurde schnell geliefert. Seit mehreren Jahren trage ich das schlichte Casio Modell ohne mir bekannte Mängel. Sie ist robust, sieht gut aus und man trägt sie wirklich angenehm. Preis-Leistungsverhältnis für die gewohnte Casio Qualität ist schwer in Ordnung. Ich würde die Uhr jederzeit wieder bestellen.
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