Important Modern & Vintage Timepieces

Geneva, Nov 13, 2016

LOT 311

PATEK PHILIPPE REF. 3940 FIRST GENERATION PERPETUAL CALENDAR YELLOW GOLD Patek Philippe, Genève, "Perpetual Calendar", No. 770169, case No. 2824943 Ref. 3940J. Made circa 1991. Very fine and rare, self-winding, 18K yellow gold wristwatch with perpetual calendar, moon phases, 24 hour indication, leap year indication and an 18K yellow gold Patek Philippe buckle. Accompanied by a Patek Philippe leather folder and booklet.

Two-body, solid, polished and brushed, concave bezel, concave lugs, snap-on case back, sapphire crystal. Matte silvered with applied yellow gold faceted baton indexes, outer engraved minute divisions, subsidiary dials for the days of the month, of the week, the months, the 24 hours and leap year, aperture for the moon phases. Yellow gold dauphine hands. Cal. 240Q, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 27 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, free-sprung self-compensating flat balance spring, 22K gold micro-rotor.