An Optional velcro strap in black or grey was provided – these straps connected to the primary male link with the bracelet. Fortunately, The material strap with the IW3715-36 and the alternate rubber strap from your IW3548 in good shape the Aquatimer! In the event the Rolex Submariner ref. 116610LN https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/