An Optional velcro strap in black or grey was supplied – these straps hooked up to the very first male url of your bracelet. Luckily, the fabric strap from your IW3715-36 and the alternate rubber strap with the IW3548 match the Aquatimer! “Swiss Produced” about the dial of the watch https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/