An Optional velcro strap in black or gray was offered – these straps attached to the first male url of your bracelet. The good news is, The material strap within the IW3715-36 plus the alternate rubber strap with the IW3548 healthy the Aquatimer! Rolex tends to make above 1M watches https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/