The Girard-Perregaux Girard Perregaux LaureatoChronograph Stainless Steel Black & Green Dial 42mm 81020-11-3254-1GM Full Set (Ref. 81020-11-3254-1GM) is a Steel-cased luxury mechanical wristwatch. The case measures 42 mm. The dial is Green. Powered by a Automatic movement. It wears on a Steel strap/bracelet. On the secondary market, the Girard Perregaux LaureatoChronograph Stainless Steel Black & Green Dial 42mm 81020-11-3254-1GM Full Set averages $12,000 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.