The F.P. Journe F.P.Journe SouveraineChronometre Souverain 40mm NOS Full set (Ref. CS), introduced in 2006, is a Platinum-cased luxury mechanical wristwatch. The case measures 40 mm. The dial is White. Powered by a Manual winding movement. It wears on a Leather strap/bracelet. On the secondary market, the F.P.Journe SouveraineChronometre Souverain 40mm NOS Full set averages $10,000,000,000 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.