An Optional velcro strap in black or grey was provided – these straps hooked up to the 1st male link with the bracelet. Luckily for us, the fabric strap in the IW3715-36 and the alternate rubber strap with the IW3548 match the Aquatimer! bezel The bezel is normally outfitted with https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/