An Optional velcro strap in black or grey was made available – these straps attached to the main male url of your bracelet. Fortunately, the fabric strap from the IW3715-36 as well as the alternate rubber strap within the IW3548 suit the Aquatimer! The Royal Oak celebrates its fiftieth anniversary https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/