PATEK PHILIPPE REF. 5450 ADVANCED RESEARCH PLATINUM
Patek Philippe, Genève, Patek Philippe Advanced Research, Pulsomax Escapement, No. 3900106, case No. 4429159, Ref. 5450P.
Made in a limited edition of 300 pieces in 2008.
Very fine, rare and innovative, center seconds, self-winding, water-resistant, platinum wristwatch with annual calendar, power
reserve indication, moon phases, Pulsomax escapement and a platinum Patek Philippe deployant clasp. Accompanied by the
Certificate of Origin, Advanced Research box, setting pin, booklet and tag.
Two-body, polished, transparent screw-down case back with cyclops lens over the escape and balance wheels, curved bezel,
correctors in the band, concave lugs, diamond set in between the lugs at 6, sapphire crystals
Copper color with applied black gold baton indexes and Arabic quarter hour numerals, luminous dots, outer minute track,
subsidiary dials for the days of the week, the months, aperture for the moon phases and the date at 6, power reserve indication
below 12. Luminous oxidized gold feuille hands.
Cal. 324, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 34 jewels, straight line lever
escapement, Pulsomax escape wheel, the bridge with additional milled opening, Gyromax balance adjusted to heat, cold, isochronism
and 5 positions, shock absorber, self-compensating free-sprung Silinvar Spiromax balance spring, 21K gold rotor with
zirconium ball-bearings.