An Optional velcro strap in black or grey was presented – these straps connected to the initial male link of your bracelet. The good thing is, The material strap within the IW3715-36 as well as the alternate rubber strap from the IW3548 match the Aquatimer! “Swiss Produced” over the dial https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/