Important Wristwatches, Watches & Clocks
Geneva, Hotel Des Bergues, Oct 17, 1992
Patek Philippe & Cie, Genève, No. 869423, case No. 2779173, Ref. 2499/100, produced in 349 examples between 1950 and 1985, third series with round buttons and crystal glass from 1960 to 1978 circa, and from 1978, the fourth series with sapphire crystal, becomes Ref. 2499/100. Very fine astronomic 18ct gold gentleman's wristwatch with round button chronograph, register, perpetual calendar and moon phases.
C. massive, polished, concave bezel, fluted lugs, sapphire crystal. D. mat silver with applied gold indexes + auxiliary seconds and 30 minutes register dials, graduation for the days of the month, apertures for the days of the week, the months and the lunations. " Dauphine" gold hands. M. 13 "' Q, Geneva Quality Hall Mark, rhodiumed, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance adjusted to 8 positions, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. In excellent condition. Diam. 38 mm.