An Optional velcro strap in black or gray was offered – these straps hooked up to the first male connection from the bracelet. Luckily, the fabric strap from your IW3715-36 plus the alternate rubber strap from the IW3548 fit the Aquatimer! Since the reign of King George II, no monarch https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/