An Optional velcro strap in black or gray was available – these straps hooked up to the main male connection on the bracelet. Luckily for us, the fabric strap in the IW3715-36 and also the alternate rubber strap in the IW3548 in shape the Aquatimer! 3035 made available a quickset https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/