The Audemars Piguet Royal Oak 6007BA 26mm Yellow gold Champagne is a luxury mechanical wristwatch. On the secondary market, the Royal Oak 6007BA 26mm Yellow gold Champagne averages $49,000 across 2 active listings. When buying pre-owned, check condition grade, box and papers (typically a 10–20% premium), service history, and originality of dial and hands. Use the listings and price history on this page to benchmark fair market value.