The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 462

Patek Philippe & Cie, Genève, Calatrava,No. 727316, case No. 309781, Ref. 2597, production started in 1959, sold on May 5, 1977.Very fine and extremely rare two time-zone, 18K pink gold gentleman's wristwatch with three hands.

CHF 120,000 - 140,000

Sold: CHF 553,500

C. two body, massive and brushed, bearing two buttons and independently adjustable blued steel seconds hour-hand display (patented in 1959) to indicate the time in two different time-zones, by steps of one hour at a time. D. matte silver with applied pink gold and painted indexes, auxiliary seconds dial. "Dauphine" pink gold hands. M. Cal. 12'''-400 HS, Geneva Quality Hallmark, rhodium plated, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to heat, coldsochronism and 5 positions, shock-absorber, Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 35 mm.Accompanied by Extracts from the Archives.


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Grading System
Grade:
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.