An Optional velcro strap in black or grey was available – these straps attached to the main male url on the bracelet. Fortunately, The material strap from the IW3715-36 and also the alternate rubber strap in the IW3548 in good shape the Aquatimer! Together with the extremely corrosion-resistant 904L chrome https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/