An Optional velcro strap in black or gray was presented – these straps attached to the 1st male website link on the bracelet. The good news is, the fabric strap from your IW3715-36 along with the alternate rubber strap from your IW3548 match the Aquatimer! That has a selection of https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/