An Optional velcro strap in black or grey was available – these straps attached to the 1st male website link with the bracelet. The good thing is, The material strap in the IW3715-36 plus the alternate rubber strap from your IW3548 healthy the Aquatimer! 3035 made available a quickset date https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/