Best in 7 days
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Description
RENTHAL SPROCKET R 520 51T GN SC TWIN 1120-520-51GPGNInner ring is the same high strength Ultralight 7075 T 6 aluminum used for the standard Renthal sprocket, Outer ring is electro less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down, The outer ring is expanded at 200C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel, The flat socket head screws
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 2412 reviews
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Product Reviews
★★★★★ 5
Great watch for preteen and above
My 12yo loves this. It’s stylish, durable and a great quality.
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Reviewed in the United States on November 9, 2025
★★★★★ 5
Love the blue numbers
Not quite sure how to rate this. It's an attractive basic analog watch; I especially like the blue numbers. And my experience with the reliability and durability of Casio has always been terrific. But... it's huge. I am stunned to see the other review that states that this watch is too small and is suitable only for a child; I think the reviewer must have been reviewing some other model. This one is larger than any other watch I own, including a hand-me-down men's watch that I got from a friend. This is NOT a unisex watch and should not be advertised as such. But if Casio would make the same thing in a women's model, I would snap it up.
UPDATE: When my smaller watch died, I finally started wearing this one. I've gotten used to the size, and now it looks and feels normal to me instead of huge. I adore the blue numbers--they make me happy every time I look at the watch.
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Reviewed in the United States on February 6, 2016
★★★★★ 4
Smaller than I thought it would be
Nice watch, very small, definitely a woman's or child's watch
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Reviewed in the United States on May 28, 2025
★★★★★ 5
Works in the pool!
This is my second watch like this. I wear it almost every day, including in aqua class. I like the size - big enough to read easily, but not too big. I originally bout this watch because I wanted an inexpensive watch to wear to the gym. I find myself reaching for it even when I am not going to the gym!
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Reviewed in the United States on July 28, 2017
★★★★★ 1
Stopped working
Maybe it's a one-off but it stopped working very shortly after I received it and I had to return it. Casio used to be a good brand.
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Reviewed in the United States on December 21, 2025
