An Optional velcro strap in black or gray was offered – these straps hooked up to the first male connection of the bracelet. The good news is, the fabric strap through the IW3715-36 along with the alternate rubber strap with the IW3548 fit the Aquatimer! , Rolex. Often a reputation https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/