PATEK PHILIPPE AN 18K GOLD OPEN FACED POCKET WATCH WITH PERPETUAL CALENDAR AND MOONPHASE
PATEK PHILIPPE AN 18K GOLD OPEN FACED POCKET WATCH WITH PERPETUAL CALENDAR AND MOONPHASE

PATEK PHILIPPE, NO. 931977, CIRCA 1967

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PATEK PHILIPPE AN 18K GOLD OPEN FACED POCKET WATCH WITH PERPETUAL CALENDAR AND MOONPHASE
Patek Philippe, No. 931977, circa 1967
17-170, rhodium finished 18-jewel lever movement adjusted to heat, cold, isochronism and five positions, with compensation balance and swan neck micrometer adjustment to the regulator, movement stamped with the Seal of Geneva, silvered dial with applied gold baton markers, gold Dauphine hands, combinded day, date and month aperture at twelve, combined moonphase and subsidiary seconds at six, circular case with concave bezel and glazed snap on back.
45mm diam.