Audemars Piguet Royal Oak Ref. E50473 Quartz Watch 18KYG. 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 0.9 x H 0.9 ” Inner Circumference : 6.1 “. Case: W 24 x H 23 mm Inner Circumference: 15.5 cm. International Buyers – Please Note.