An Optional velcro strap in black or grey was offered – these straps hooked up to the initial male link of the bracelet. Fortunately, the fabric strap in the IW3715-36 along with the alternate rubber strap within the IW3548 suit the Aquatimer! The Royal Oak celebrates its 50th anniversary this https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/