The Art Of Patek Philippe
Geneva, Apr 09, 1989
Patek Philippe & Cie, Genève, No. 869299, case No. 2792155, Ref. 2499/100, sold on the 9.11.1984. (4th serie) Fine astronomic 18-carat gold gentleman's wristwatch with round button chronograph, 30 minutes register, perpetual calendar and moon phases, produced in 349 examples between 1950 and 1985. 4th serie, made from 1978-1985 with sapphire crystal.
C. massive, polished, concave bezel, sapphire crystal. D. mat silver with applied gold indexes + auxiliary 30 minutes register and seconds dials, graduation for the days of the month, with large numerals, apertures for the days of the week, the months and the lunations. " Dauphine" gold hands. M. 13"' Q, 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 very good condition. Diam. 38 mm.