An Optional velcro strap in black or grey was provided – these straps hooked up to the main male link on the bracelet. The good news is, the fabric strap from the IW3715-36 plus the alternate rubber strap with the IW3548 in good shape the Aquatimer! About Superwatchman Superwatchman.com strives https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/