LIP Chronomètre officiel Yellow gold (750) pocket watch. Back cover with plain decoration, numbered 629887 and 909645. White enameled dial, signed Arabic numerals painted in black for the hours, iron track for the minutes, signed. Second hand at 6 o'clock. Mechanical hand-wound movement, unsigned, numbered 629887. Yellow gold (750) dust cover engraved "Chronometer No. 629887 with Bulletin of the National Observatory". Reverse side n°909645. Gross weight : 79.4 g. - Diameter: 49 mm. Scratches; cracked glass.