An Optional velcro strap in black or gray was available – these straps connected to the 1st male link in the bracelet. Fortunately, The material strap in the IW3715-36 as well as the alternate rubber strap with the IW3548 in good shape the Aquatimer! Sited on the previous Chapel Courtroom https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/