An Optional velcro strap in black or gray was presented – these straps attached to the initial male connection of your bracelet. Luckily for us, The material strap in the IW3715-36 and the alternate rubber strap from the IW3548 in good shape the Aquatimer! Using a collection of dial shades https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/