An Optional velcro strap in black or grey was made available – these straps attached to the initial male connection from the bracelet. Fortunately, the fabric strap from your IW3715-36 along with the alternate rubber strap within the IW3548 fit the Aquatimer! Rolex helps make around 1M watches a 12 https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/