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⌚ Timeless tech meets minimalist style — never miss a beat or a moment!
The Casio F91WB is a sleek, minimalist digital watch crafted with eco-friendly bio-based resin. It features a precise 1/100 second stopwatch, LED backlight for night visibility, and robust water resistance up to 200 meters. With a lightweight design and an impressive 7-year battery life, it’s engineered for professionals who demand reliability and style in every second.






| ASIN | B0DDWDKRWT |
| Additional Features | Alarm, Chronograph, Light Up |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 22 centimeters |
| Band Material Type | Resin |
| Band Width | 20 millimeters |
| Bands | 1 |
| Best Sellers Rank | #593 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 35.2 millimeters |
| Case Material Type | Resin |
| Case Thickness | 8.5 millimeters |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Resin |
| Customer Reviews | 4.5 out of 5 stars 366 Reviews |
| Dial Color | Black |
| Display | Digital |
| Face Style | Minimalist |
| Included Components | 1 x Digital Watch |
| Item Type Name | Casual Watch |
| Item Weight | 0.12 kg |
| Manufacturer | Casio |
| Manufacturer Part Number | F-91WB-1A |
| Model Name | F-91WB-1A |
| Model Number | F-91WB-1A |
| Power Source | Battery Powered |
| Shape | Octagonal |
| Sport Type | Walking |
| Strap Type | Two Piece Strap |
| Style Name | Minimalist |
| UPC | 889232378329 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 meters |
| Water Resistance Level | Water Resistant |
A**X
First Casio
Really happy with the black minimalist look they gave this. Very clean. This is my first Casio watch. I figured it was a good place to start. My wrist is just about 7in and I wear watches tight, so it doesn’t look terribly small imo. Did the aluminum foil mod to help reflect the backlight. Improved lowlight visibility noticeably (I accidentally scratched the inside of the watch face when doing that, which now lets that sliver of light through). Super light, and the optional hourly chime is a nice touch. It’s nice on days off when you want to be a little more present. Only downside is the price. I bought this at $37 and it’s really not worth it. I love the watch, but I would feel better looking at it everyday if it was $20, maybe $25 at the most.
L**.
A nice, simple watch!
I love the F91W. It's simple, works well, and just looks good.
C**L
Excellent Watch
I've owned much more expensive watches than this one but I really like this watch. It's very simple and easy to program. Simplicity has a place. I highly recommend this watch, but I recommend you buy a screen protector.
G**Y
Best Seller for a Reason
The top workhorse since 1989, you can't go wrong with the F91 W. And this version takes it to another level pf minimalism and elegance
N**L
Good for small wrists.
This is a good quality watch but was too small for me, it would be good for a kid or a woman or if you're a guy with small wrists. For comparison I like a 42 mm face and this is much much smaller. The quality and price are great though if you're looking for a simple classic design and you have small wrists this is for you!
N**O
Weight and size
It so good and light. This is exactly what I needed
B**N
For the Price......Don't Even Blink, Just Get It
This is a timeless classic. It’s hard to believe how well it goes with just about any outfit—casual or a bit dressier, it always fits right in. The watch is incredibly reliable and durable, and I’ve come to trust it for everyday use without worry. I don’t think I’ll ever buy another watch besides this one, whether in black or silver. I switch between the two depending on the day, and I love them both equally. Simple, functional, and classic—this watch really stands the test of time.
C**D
Bit small innit
Absolutely tiny lol it works though
P**O
Excellent
Light weight and functions are simple use
S**S
Great Budget Friendly Watch
The Casio F91W is one of the best starter watches that are great for everday use (work, school, etc). This full black version of it looks AMAZING. It is notably a bit smaller than the actual Casio F91W but nontheless it looks great. I love it for its simplicity and three modes, it does everything that you need it to, without overcomplicating it. The alarm has always worked great, but I wouldn't rely on it waking you up in the morning. The stopwatch works like, well, like a stopwatch. And the actual time is great, came out of the box set up perfectly and you can switch it to 24 hours if you prefer that. The only CON that I mention is the Casio F91W uses a single green LED light on the left hand side, this in my opinion does nothing for night time checking. It is barely noticable and the camera can't even capture how bad it is. I do not deduct stars for this though, because you can still read the time in pitch black anyways. Overall, I reccomend the Casio F91W for anyone who needs an alarm, time, or stopwatch with nothing more.
Y**I
Bueno y de calidad
Un reloj bastante bonito aún hoy día, todo en orden
J**S
Casio F 91 W. Um clássico atemporal.
O produto chegou rápido e bem embalado. Perfeito. O F91 W, com um novo design ficou ainda mais bonito. Quanto a qualidade, a marca já fiz tudo: Casio. Muito satisfeito com a compra.
G**L
Ótima qualidade!
Simplesmente o melhor.
Trustpilot
2 weeks ago
2 weeks ago