An Optional velcro strap in black or grey was supplied – these straps connected to the main male connection on the bracelet. Thankfully, the fabric strap through the IW3715-36 plus the alternate rubber strap with the IW3548 in good shape the Aquatimer! The 2020 Rolex Submariner wristwatch set the internet https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/