The Girard-Perregaux Girard PerregauxCasquette 2.0 Titanium and Gold Unworn - still wrapped in factory plastic (Ref. 39800-21-3199-6CM) is a Titanium-cased luxury mechanical wristwatch. The case measures 42.4 x 33.6 mm. Powered by a Quartz movement. On the secondary market, the Girard PerregauxCasquette 2.0 Titanium and Gold Unworn - still wrapped in factory plastic averages $6,000 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.