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⌚ Timeless tech meets sustainable style—wear the watch that works as hard as you do!
The Casio F91WB-1A is a minimalist digital watch crafted with eco-friendly bio-based resin, featuring a precise 1/100 second stopwatch, LED backlight for low-light visibility, and water resistance up to 200 meters. Designed for professionals who demand durability and style, it boasts a remarkable 7-year battery life and essential daily functions like alarm, date, and day indicators—all in a lightweight, sleek package.






| 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 | #671 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 435 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 |
| Model Series | F-91WB |
| Number of Items | 1 |
| Number of Packs | 1 |
| 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.
P**L
Casio F91 for the win
love me a Casio watch, relaible and works well. fits well and can't beat it for the price.
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
D**N
It is VERY small.
I have smaller-than-average hands/wrists and I could barely find a notch to clasp it properly because it’s so small. It’s very lightweight and looks nice, but it should be advertised as a women’s watch, as the pictures can be misleading.
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!
A**R
Simple and great
It’s great, it’s a classic
M**I
Best watch EVER
It's a Casio. What else can I say? The F91W is a classic watch. LOVE IT.
A**V
Bonito y sencillo
Sencillo y funcional. Discreto y la alarma tiene un volumen suficiente para despertar.
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.
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
1 day ago
2 months ago