100 Years of Wristwatches

Geneva, Hotel Des Bergues, Nov 19, 2000

LOT 236

Patek Philippe & Cie, Genèv e, 'Calatr ava', No. 727329, case No. 309757, Ref. 2597 HS (Heures sautantes),production started in 1958.Very rare and fine two time zone 18K yellow gold gentleman's wristwatch with two hands. Accompanied b yan 18K yellow gold Patek Philippe buckle.

CHF 80,000 - 100,000

USD 45,000 - 55,000

C. three-body, solid, polished, flat bezel, concave lugs, bearing two buttons activating the hour hand forwards andbackwards according to world time, independently, by steps of one hour at a time. D. matte silver with appliedyellow gold and painted indexes, auxiliary seconds dial. 'Dauphine' yellow gold hands. M. Cal. 12-400 HSstamped with the 'Poinçons de Genève', rhodium-plated, 'fausses côtes' decoration, 18 jewels, leverescapement, cut bimetallic balance adjusted to heat, cold isochronism and 5 positions, shock-absorber, Breguetbalance-spring, micrometer regulator.Dial, case, and movement signed.Diam. 35 mm.


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Grading System
Grade:
Case: 3

Good
Movement: 3

Good
Dial: 3 - 5 - 01

Notes

It was produced in two versions; the first with the hour hand adjustable by jumping, and the second with an addedblued steel second hour hand adjustable by jumping (manufacture of this second device began in March 1962).A similar watch is published in 'Patek Philippe Genèv e, Wristwatches', by MARTIN HUBER and ALAN BANBER Y,1998, Patek Philippe S.A., Geneva, pp. 238-239.CalatravaFor the note, see lot No. 124.Ref. 2597 HS (Heures sautantes)Production of this reference started in 1958.It was produced in two versions: either with one adjustable jumping hour hand, or with a jumping hour hand and anadditional hour reference hand (manufacture of this second device began in March, 1962).A similar watch is published in 'Patek Philippe Genèv e, Wristwatches', by MARTIN HUBER and ALAN BANBER Y,1998, Patek Philippe S.A., Geneva, pp. 238-239.Poinçons de GenèveThe voluntary quality control of watches at the Gene va Observatory, was established by a law dated No vember 6, 1886.Conditions were laid down for the attribution and stamping of the Poinçons de Genèv e, punch-marks designed as thecoat-of-arms of Geneva. Pocket watches, or wristwatches which carry the Poinçons de Genèv e, considered as anequivalent to a Bulletin Officiel de Marche, punched on a bridge and on the main plate of the mo vement, were qualifiedto be officially termed 'chronometers'.