The Art Of Patek Philippe

Geneva, Apr 09, 1989

LOT 292

Patek Philippe & Cie, Genève, "Calatrava" No. 729441, case No. 311318, Ref. 2597, sold on the 8.12.1975. Rare and fine two time zones 18-carat gold gentleman's wristwatch with three hands.

CHF 40,000 - 50,000

C. massive, polished, bearing two buttons activating the hour hand forwards or backwards according to the world time, independently by steps of one hour at a time. D. mat silver with applied gold indexes + auxiliary seconds dial. "Dauphine" gold and steel hands. M. 27"'-400 HS, rhodiumed, "fausses-côtes" decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, antishock system, self-compensating Breguet balance-spring. Dial, case and movement signed. In excellent condition. Diam. 35 mm.


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Notes

A similar watch is published in " Patek Philippe Wristwatches", page 183, and in "Signori del Tempo", page 163. This "World Time" system was invented and produced for Patek Philippe by Louis Cottier who also supplied such watches for Agassiz and Vacheron Constantin.