Phillippe DuBois & Fils Perpetuelle DuBois Moon Phase chronograph wristwatch from 1785. Limited series: #314/1,999. Case in silver (925‰) with a diameter of 43 mm including the crown. The watch has a chronograph, full calendar and moon phases. White dial. Automatic 25-jewel Swiss calibre. Brand: Philippe Du Bois & Fils Model: Perpetuelle Moon Phase Automatic movement with 25 jewels Case in silver (925‰) Sapphire crystal Case diameter: 43 mm with crown Brown leather strap with steel clasp Strap measurements including clasp: 90 + 120 mm Strap width where it connects to the case: 20 mm Box and papers not included. Carefully packaged and sent by insured and registered mail via FedEx.