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⌚ Own the moment with Casio’s legendary F91W – where vintage meets unstoppable precision!
The Casio F91W Series is a lightweight, water-resistant digital watch featuring a precise 1/100 second stopwatch, daily alarm, and LED backlight. Powered by a 7-year battery and housed in a durable resin case, it combines classic vintage style with reliable quartz movement, making it the ultimate everyday timepiece for professionals who value accuracy and timeless design.






| ASIN | B01MZF6LL2 |
| Additional Features | Chronograph, Lightweight, Timer |
| 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 | #954 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 38.2 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 60,987 Reviews |
| Dial Color | Gold |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | F91W |
| Global Trade Identification Number | 00889232140810 |
| Included Components | the brand's case |
| Item Type Name | Watch |
| Item Weight | 0.09 Kilograms |
| Manufacturer | Casio |
| Manufacturer Part Number | F-91WM-9ACF |
| Material | Resin |
| Model Name | F-91WM-9ACF |
| Model Number | F91WM-9A |
| Pattern | Solid |
| Power Source | Battery Powered |
| Shape | Rectangular |
| Sport Type | Walking |
| Strap Type | Two Piece Strap |
| Style Name | F91W |
| Theme | Sports |
| UPC | 889232140810 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Watch Movement Type | Quartz |
| Water Resistance Level | Water Resistant |
A**R
Perfect everyday watch
The perfect Watch! Super affordable, accurate, thin, and durable. It wears very comfortably and it’s lightweight so you can barely feel it. It is also super easy to read the time at a glance as well. The light could be stronger but that’s a running issue with Casio. Overall, this watch will get a lot of wrist time. The best everyday beater watch
L**.
A nice, simple watch!
I love the F91W. It's simple, works well, and just looks good.
G**T
Must buy watch , just does what you need from a watch.
Love how small and comfortable it is , it doesn't get snagged on thing like bigger watches. It's easy to read for its size. Amazing watch especially for just 20 bucks , the only complaint is the band is small , I'm on the last 4 of holes on the band.
T**O
Awesome everyday watch
I wear this watch everyday. It’s been durable, it only has a few scuffs for how much I wear it and the job field I work in. I love the classic Cassio style, it goes great with any outfit. The functionality is great as well, I use the stopwatch and alarm daily. This is a great watch for everyday wear and for collectors alike.
M**N
Good watch for the money. Poor night light function.
A nice watch for the money. It's comfortable and does the job. I returned it due to the poor design of the light to see the time at night. It barely puts out any light. Might as well not even have it.
R**N
Very good basic digital watch
It's a classic watch that does what its supposed to. It's reliable and keep times well, which this model has earned. The build quality and materials feel solid for a basic watch. It's also surprisingly comfortable and I often forget I am wearing it. The appearance of the watch is fine. It's not a fashion item, but you know what you are getting. The drawbacks to the watch I feel are the weak backlight and that it it's not fully waterproof. That said, the backlight is still usable and in my experience the watch handles splashes and things like showers just fine. Overall I think it's a great value if you want a basic digital watch that will last you a long time. This watch has been around since 1989 and still is a popular watch, and for good reason.
J**E
Classic True Billionaire's Watch
Absolute classic!! Very comfortable. Lightweight. Beautiful piece.
O**'
A classic
I bought the Casio F91W as a reliable timepiece for work, and it has been perfect. It's lightweight, comfortable, easy to read, and keeps accurate time. The battery lasts a long time, and the classic design never goes out of style. Great value!
J**A
Bon materiel
Magnifique
F**I
Es un reloj bueno. Quizá tuviera un pelín de volumen.
Para su pequeño volumen, está bien.
E**.
Calidad de un Casio
Esta precioso me encanto 😍 lo comprare en más colores sin duda
N**R
It is what i like to gift
Original good color
M**O
Timeless watch
Great quality. It reminds me of the one i had as a kid. My 6 year old lives it. Easy to understand and use
Trustpilot
4 days ago
3 weeks ago