The Girard-Perregaux Girard PerregauxTriple Bridge Tourbillon 40MM 18K Yellow GoldTriple Bridge (Ref. TRIPLE BRIDGE) is a Yellow gold-cased luxury mechanical wristwatch. The case measures 40 mm. The dial is Silver. On the secondary market, the Girard PerregauxTriple Bridge Tourbillon 40MM 18K Yellow GoldTriple Bridge averages $48,999 across 1 active listing. 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.