Amazon.com: Customer reviews: Casio Men's F28W-1 "Classic" Digital Watch
Casio F-28W Review | WatchCrunch
Got this F-28w today and used an extra Royale strap on it. It should fit it better as the strap gets worn a couple time, these straps need some breaking in usually.
Vintage Casio F-28W with 586 Module Digital Wrist Watch Works JAPAN Used | eBay
Classic Casio F28W Made In Malaysia, Men's Fashion, Watches & Accessories, Watches on Carousell