An Optional velcro strap in black or gray was offered – these straps attached to the 1st male hyperlink of the bracelet. Thankfully, The material strap from the IW3715-36 as well as alternate rubber strap from your IW3548 match the Aquatimer! Together with the hugely corrosion-resistant 904L chrome steel (labeled https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/