An Optional velcro strap in black or gray was presented – these straps connected to the primary male link from the bracelet. Luckily for us, The material strap from your IW3715-36 plus the alternate rubber strap with the IW3548 healthy the Aquatimer! To celebrate the Submariner’s 50th anniversary in 2003, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/