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Important Modern and Vintage Timepieces

Geneva, March 11, 2012

LOT 437

PATEK PHILIPPE SOLAR CLOCK WITH PERPETUAL CALENDAR – ONE OF ONLY SIX KNOWN EXAMPLES Patek, Philippe, Genève, No. 874208, case No. 1893, Ref. 503. Made for the Italian market, circa 1968. Very fine and extremely rare, gilt brass, solar-powered desk clock with electrically powered remontoire and perpetual calendar.

C. Rectangular, with brushed brass side and back panels, four square en suite columns, the top with solar cells, the back with an applied plaque engraved “A. Eber, 25-4-1969”. D. Silvered with painted black indexes, apertures for days of the week, date and months in Italian. Gilt baton hands. M. Based on a 17''' Gondolo keyless mechanical movement, 29 jewels, straight line lever escapement, freesprung gyromax balance adjusted to heat, cold and 1 position, solar-powered with lithium battery back-up, driving a remontoir train which replaces the barrel spring. Dial and movement signed. Dim. Height 14 cm., width 20 cm., depth 9 cm.

C. Rectangular, with brushed brass side and back panels, four square en suite columns, the top with solar cells, the back with an applied plaque engraved “A. Eber, 25-4-1969”.
D. Silvered with painted black indexes, apertures for days of the week, date and months in Italian. Gilt baton hands.

CHF 20,000 - 30,000

USD 22,000 - 33,000 / EUR 17,000 - 25,000

Sold: CHF 31,250


Grading System
Grade: AAA

Excellent

Case: 3

Good

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-01

Good

HANDS Original


Notes

The Reference 503 solar clock with perpetual calendar is exceptionally rare. To date, only six examples are known. The present clock presents the rare opportunity to acquire one of these elusive clocks.