PATEK PHILIPPE. AN EXTREMELY FINE AND VERY RARE 18K GOLD OPENFACE KEYLESS LEVER TOURBILLON WATCH WITH GUILLAUME BALANCE AND BREGUET NUMERALS
PATEK PHILIPPE. AN EXTREMELY FINE AND VERY RARE 18K GOLD OPENFACE KEYLESS LEVER TOURBILLON WATCH WITH GUILLAUME BALANCE AND BREGUET NUMERALS
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PATEK PHILIPPE. AN EXTREMELY FINE AND VERY RARE 18K GOLD OPENFACE KEYLESS LEVER TOURBILLON WATCH WITH GUILLAUME BALANCE AND BREGUET NUMERALS

SIGNED PATEK PHILIPPE & CIE, GENEVE, MOVEMENT NO. 198'412, CASE NO. 617'624, MOVEMENT MANUFACTURED IN 1930 AND ENCASED IN 1938

Details
PATEK PHILIPPE. AN EXTREMELY FINE AND VERY RARE 18K GOLD OPENFACE KEYLESS LEVER TOURBILLON WATCH WITH GUILLAUME BALANCE AND BREGUET NUMERALS
SIGNED PATEK PHILIPPE & CIE, GENEVE, MOVEMENT NO. 198'412, CASE NO. 617'624, MOVEMENT MANUFACTURED IN 1930 AND ENCASED IN 1938
Cal. 17"' (38 mm.) nickel-finished lever movement engraved PXP, numbered twice and stamped twice with the Geneva seal, 18 jewels, Guillaume balance with gold poising screws, polished steel three arm one minute tourbillon cage by Hector Golay, central jewel set in gold screwed chaton, blued steel hairspring, hinged gold cuvette, silvered matte dial, applied gold Breguet numerals, gold moon-style hands, outer silvered dot minute divisions, subsidiary seconds, plain circular case with hidden hinges, case, cuvette, dial and movement signed
48.3 mm. diam.
Provenance
Antiquorum Geneva, 15th October 2006, lot 435
Literature
Recorded in Das Tourbillon by Reinhard Meis, p. 353, alphabetical listing of tourbillon watches submitted to timing contests.

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Lot Essay

US$150,000-200,000

With Patek Philippe Extract from the Archives confirming production of the present watch in 1930. It was encased in 1939 and sold on 1 October 1947.

The present watch is amongst the most impressive tourbillon watches by Patek Philippe offered at auction. It is the only one that obtained the best results ever at the Geneva Observatory Chronometer contest: three times awarded with the First Prize, two times awarded the "First First" Prize.

Between the years 1933 and 1943, the present watch participated in several Geneva Observatory Category C timing contests and achieved:
- the first prize but 7th in its category in 1933 with 782/872 points
- the first prize in 1938 with 669/669 points
- the first prize in 1943 with 830/830 points

Its tourbillon carriage was conceived by the celebrated watchmaker, inventor and engineer Hector Golay, then delivered to the workshops of Patek Philippe in Geneva where the movement was finished, prepared and adjusted by the gifted and prominent precision adjuster Fran?ois Moudoux.

Category C was a new category added following the reorganization of the Geneva Observatory in 1928. It was established to include smaller watch movements with a diameter between 31 and 38 millimeters. Presumably this category was created following the latest fashion of smaller watches, consequently rendering the larger examples with the more common diameter of 48 mm. difficult to sell.

The present watch combines all aspects of the highest quality, making it a superb example for the demanding collector. One of the most prestigious complications, the tourbillon regulator is fitted in a state of the art gold case with hidden hinges and of small size and a much sought after dial with Breguet numerals.

A nearly identical watch with succeeding movement number 198'409, also with a tourbillon carriage by Hector Golay and Breguet numerals, manufacture of which started on 7 October 1930 and which was sold on 25 November 1939, is illustrated in Patek Philippe by Martin Huber & Alan Banbery, p. 176.

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