An Optional velcro strap in black or gray was available – these straps hooked up to the 1st male hyperlink of your bracelet. Fortunately, The material strap in the IW3715-36 plus the alternate rubber strap in the IW3548 match the Aquatimer! Rolex can make in excess of 1M watches a https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/