An Optional velcro strap in black or gray was offered – these straps hooked up to the primary male hyperlink with the bracelet. The good news is, the fabric strap in the IW3715-36 as well as the alternate rubber strap in the IW3548 in good shape the Aquatimer! Sited on https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/