An Optional velcro strap in black or grey was supplied – these straps hooked up to the very first male website link from the bracelet. The good news is, The material strap in the IW3715-36 and the alternate rubber strap through the IW3548 fit the Aquatimer! bezel The bezel is https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/