The Girard-Perregaux Girard PerregauxVintage Watch "Rockford Screw Products" Dial 35mm 10K GF (Ref. Vintage Girard Perregaux) is a Gold/Steel-cased luxury mechanical wristwatch. The case measures 35 mm. The dial is Silver. Powered by a Manual winding movement. It wears on a Leather strap/bracelet. On the secondary market, the Girard PerregauxVintage Watch "Rockford Screw Products" Dial 35mm 10K GF averages $1,550 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.