Audemars Piguet Royal Oak Gray Dial Watch Stainless Steel – 15450ST. Audemars Piguet Royal Oak Gray Dial Stainless Steel Exhibition Back. AP Box and Papers. Major Credit cards Accepted. Quicker service is available upon request. Please note; additional costs may apply. If for any reason you don’t like the item. Please put it back in the box, insure it and sent it back. The item should be sent back in original form (no altering sizes, no engraved items).