An Optional velcro strap in black or grey was supplied – these straps connected to the main male connection with the bracelet. The good news is, the fabric strap from the IW3715-36 and the alternate rubber strap through the IW3548 in good shape the Aquatimer! fame, a collector and nostalgia https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/