An Optional velcro strap in black or grey was presented – these straps connected to the primary male website link in the bracelet. Luckily, the fabric strap in the IW3715-36 plus the alternate rubber strap within the IW3548 in shape the Aquatimer! Rolex will make over 1M watches a calendar https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/