The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 469

Patek Philippe & Cie, Genève, Calatrava,No. 729401, case No. 310487, Ref. 2597, made in 1960, delivered on December 15, 1960 to Hölscher, Köln.Very fine and rare two time-zone, 18K yellow gold gentleman's wristwatch with two hands.

CHF 60,000 - 70,000

Sold: CHF 73,600

C. two body, massive, polished, bearing two buttons activating the hour hand forwards and backwards according to the world time, independently by steps of one hour at a time. D. matte silver with applied yellow gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 12'''-400 HS, Geneva Quality Hallmark, rhodium plated, "fausses côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold isochronism and 5 positions, shock-absorber, self-compensting Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 35 mm.Accompanied by Extract from the Archives.


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Grading System
Grade: AAA

Excellent
Case: 2

Very good
Movement: * 2
Dial: 2 - 01

Notes

Ref. 2597 HS (Heure sautante)Production of this reference started in 1958.It was produced in two versions either with one or two ajustable jumping hour hands (start of manufacture of this second device began in March, 1962).Similar watches are published in Patek Philippe Wristwatches, by Martin Huber and Alan Banbery, 1998 Edition, pp. 238-239.