The F.P. Journe F.P.Journe OctaLune Automatic Platinum Calibre 1300.3 40mm Revisted Moonphase Sapphire Gold Ararbic (Ref. Octa Lune), introduced in 2021, is a Platinum-cased luxury mechanical wristwatch. The case measures 40 mm. The dial is Silver. Powered by a Automatic 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.