PATEK PHILIPPE REF 3971E YELLOW GOLD
Patek Philippe, Genève, No.875379, case No. 2851214, Ref. 3971E. Sold on July 18, 1989.
Very fine and very rare, astronomic, 18K yellow gold wristwatch with round button
chronograph, registers, perpetual calendar, moon phases and an 18K yellow gold Patek
Philippe buckle. Accompanied by the Patek Philippe fitted box and the Extract of the Archives.
Two-body, solid, polished, fluted lugs, concave bezel, transparent case back, sapphire
crystals.
Matte silver with applied yellow gold baton indexes, outer minutes/seconds divisions,
auxiliary dials for the seconds, the 24 hours, the 30 minute register, the leap year and the days
of the month, apertures for the days of the week, the months and the moon phases. Yellow
gold feuille hands.
Cal. 27-70 Q, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses
cotes decoration, 24 jewels, straight-line lever escapement, Gyromax balance adjusted for
heat, cold, isochronism and 8 positions, shock absorber, self-compensating free-sprung Breguet
balance spring.