An Optional velcro strap in black or grey was provided – these straps hooked up to the very first male connection with the bracelet. Thankfully, The material strap within the IW3715-36 as well as the alternate rubber strap through the IW3548 in good shape the Aquatimer! The Rolex Submariner was https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/