The F.P. Journe F.P.Journe SouveraineCentigraphe Souverain Platinum (Ref. Centigraphe Souverain) is a Platinum-cased luxury mechanical wristwatch. Powered by a Manual winding movement. It wears on a Crocodile skin strap/bracelet. On the secondary market 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.