Audemars Piguet Royal Oak Ref. 56271SA D0 Quartz Watch 18KYG Diamond. S : New or new without a tag. A : Good condition with minor sigh of use. AB : Used condition with some damages. B : Obvious sigh of use with heavy damages. Case: W 1.1 x H 1.2 ” Inner Circumference : 7.1 “. Case: W 28 x H 30 mm Inner Circumference: 18.0 cm. 18KYG, Stainless Steel, Diamond. International Buyers – Please Note.