An Optional velcro strap in black or gray was available – these straps connected to the very first male link on the bracelet. Thankfully, the fabric strap from your IW3715-36 along with the alternate rubber strap through the IW3548 match the Aquatimer! Rolex's famous dive watch remains white-very hot around https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/