The Girard-Perregaux Girard Perregaux 1966Date & Moon Phase 49545-11-131-BB60 USED mens Leather strap Not included , Buckle included (Ref. 49545-11-131-BB60), introduced in 2025, is a Steel-cased luxury mechanical wristwatch. The case measures 40 mm. The dial is Silver. It wears on a Crocodile skin strap/bracelet. On the secondary market, the Girard Perregaux 1966Date & Moon Phase 49545-11-131-BB60 USED mens Leather strap Not included , Buckle included averages $8,580,005,555 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.