Patek PhilippeRef. 963
PATEK PHILIPPE - FORMERLY PART OF THE PATEK PHILIPPE PRIVATE MUSEUM COLLECTION
Patek Philippe, Genève, movement No. 197895, case No. 2843189, Ref. 963. The movement constructed between
1927 and 1929 from an ebauche started in 1924, the tourbillon made by celebrated master-watchmaker James
Pellaton, the case constructed in 1989, sold on May 31st, 1990.
Exceptional, magnificent and historic, large, 18K yellow gold, keyless, ultra high-precision lever Chronometer deck watch with one-minute tourbillon regulator, Guillaume balance and power-reserve indication, the holder of
two first prizes in Category B achieved at the Observatoire de Genève in 1929 with a record score of 834 points
regulated by François Modoux, and again in 1934, excelling in various further Observatory trials until 1939.
Accompanied by a Patek Philippe box, hang-tag, additional solid gold case back, Certificate of Origin, a collection of
annual and daily rating documents for the period February 1928 to 1958, Extract from the Archives, Patek Philippe
Japan Service Center Guarantee, hand-written Certificate of Origin and hand-written history of the watch.
Three-body, bassine et filets, massive, polished, transparent back for viewing the movement, sapphire crystal.
Matte silver with painted radial Roman numerals, outer minute track, subsidiary dials for the power-reserve
indication and seconds. Blued steel poire hands.
19''', nickel, stamped twice with the seal of Geneva quality mark, fausses cotes and oeil-de-perdrix decoration,
20 jewels, steel one-minute tourbillon carriage by James Pellaton with three-polished equidistant arms, lateral
lever escapement, Guillaume balance with temperature and meantime adjustment screws, adjusted to heat, cold,
isochronisms and five positions, blued steel Balance spring with Philips terminal curve, index regulator on the
carriage, the upper balance and center wheel pivots with jewels in a gold chatons held by 3 screws.