An Optional velcro strap in black or gray was presented – these straps attached to the main male hyperlink on the bracelet. Luckily for us, The material strap from the IW3715-36 and also the alternate rubber strap from your IW3548 suit the Aquatimer! Sited on the former Chapel Court Backyard https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/