An Optional velcro strap in black or grey was offered – these straps attached to the 1st male hyperlink in the bracelet. The good thing is, the fabric strap within the IW3715-36 as well as alternate rubber strap in the IW3548 healthy the Aquatimer! “Swiss Built” on the dial from https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/