An Optional velcro strap in black or gray was provided – these straps hooked up to the primary male link of the bracelet. Luckily, the fabric strap with the IW3715-36 and also the alternate rubber strap within the IW3548 match the Aquatimer! Considering that the reign of King George II, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/