The Royal Oak Offshore 26113SR is Very RARE, limited Boutique edition of 100 pieces introduced in 2009. It features a stainless steel case with 18k pink gold details. Royal Oak Offshore Lady. Factory Rose Gold Diamond Bezel. Includes The Original Box. Papers were misplaced we will include a certified appraisal with the matching serial number. Diamonds East Intl Boca Raton Fl. 4251 North Federal Highway 33431.