An Optional velcro strap in black or gray was provided – these straps attached to the initial male url in the bracelet. The good news is, The material strap with the IW3715-36 plus the alternate rubber strap from your IW3548 in good shape the Aquatimer! Further than its excellent corrosion https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/