The Girard-Perregaux Girard PerregauxGyromatic Calendar Day-Date Automatic Presentation Watch Brown Dial Gold Plated Stainless Steel Screw Down Case Back 39 Jewels Vintage Swiss Made, introduced in 1974, is a Gold/Steel-cased luxury mechanical wristwatch. The case measures 35 x 40 mm. The dial is Brown. Powered by a Automatic movement. It wears on a Leather strap/bracelet. On the secondary market, the Girard PerregauxGyromatic Calendar Day-Date Automatic Presentation Watch Brown Dial Gold Plated Stainless Steel Screw Down Case Back 39 Jewels Vintage Swiss Made averages $1,250 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.