An Optional velcro strap in black or grey was supplied – these straps connected to the main male website link in the bracelet. Thankfully, The material strap from your IW3715-36 along with the alternate rubber strap through the IW3548 fit the Aquatimer! Sited on the previous Chapel Court Backyard garden, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/