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🧡 Upgrade your Casio, upgrade your vibe.
This NAVZA silicone rubber replacement strap is a waterproof, lightweight, and comfortable accessory designed specifically for popular Casio models like the F-91W. Crafted from durable PU rubber, it offers a vibrant orange color option that adds a fresh, professional edge to your everyday watch. Ideal for busy professionals seeking a reliable and stylish upgrade, this strap is easy to install and travel-friendly.











































| Care instructions | Hand wash with mild soap and warm water, allow to air dry. Avoid using harsh chemicals or high heat. |
| Country of origin | United Kingdom |
N**3
Not original but a good strap
The original straps had perished and made the watch unusable. I bought these and had to watch a you tube vid to help me remove and refit the pins. No pins were provided, so I re used the original ones.
M**S
Comfortable but with issues
I originally Purchased one of these straps in september 2025 and despite the lack of instructions found it to be easily fitted (thanks to youtube). As I was walking towards airport security this month, I needed to remove it. However, as I was undoing the strap, the buckle, prong and pin dropped onto the floor. When I returned home I re-ordered the same as a replacement, but when I was in the process of replacing it I noticed that the adjustment holes were in fact not punched all of the way through. Upon checking the old strap I saw that this was also the case - my conclusion is that the pressure of the prong on the strap forced the pin out of the buckle. I recommend that if you purchase this product that you have the capability to complete the holes through the strap before hand. despite this I have found the strap to be very comfortable. Because of the bad finishing of the strap's holes I can only award four stars.
T**W
High quality replacement strap
Great replacement strap, almost identical to the original Casio strap. High quality and great value for the price
M**S
Broke in less than a month
As my daughter took off the watch, the plastic broke making it useless. The strap broke within a month of purchase.
J**N
Didn't last a month
Original strap lasted years, this one broke after just a single month. I'm not doing anything crazy intense, just simply wearing it. The plastic cracked and it broke off barely a month after it arrived. The pins that arrived with it are also too small, fortunately I could just reuse the original pins to put this on with. I did get two at once so if the 2nd one breaks quickly too I'll update
K**L
Quality
Smart product
A**R
Soft
Fits and is softer than original strap.
A**R
Good value but quality issues
As advertised and came promptly but poor quality molding in buckle which needed correcting before comfortable to wear.
A**R
Pas adapté à la Casio f-91w
Les broches sont trop courtes, inutilisable avec une Casio f91-w
D**P
Doesn't match
The metal mount doesn't match watches (smaller)
K**.
Poor quality and fitment
Quality is poor. Holes not fully punched plus extremely bad fitment
Trustpilot
1 month ago
3 days ago