The F.P. Journe F.P.JourneChronometre Optimum (CO) Platinum Salmon Dial Green Leather 40MM Calibre 1510 (Ref. Chronometre Optimum CO), introduced in 2024, is a Platinum-cased luxury mechanical wristwatch. The case measures 40 mm. The dial is Pink. Powered by a Manual winding movement. It wears on a Crocodile skin strap/bracelet. On the secondary market, the F.P.JourneChronometre Optimum (CO) Platinum Salmon Dial Green Leather 40MM Calibre 1510 averages $635,000 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.