An Optional velcro strap in black or gray was presented – these straps hooked up to the first male connection of the bracelet. The good news is, the fabric strap in the IW3715-36 along with the alternate rubber strap within the IW3548 match the Aquatimer! Rolex's famous dive watch stays https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/