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Important Modern & Vintage Timepieces

Geneva, May 15, 2016

LOT 177

PATEK PHILIPPE HORA OFICIAL EXTRA OBERVATORY QUALITY DISPLAY CLOCK Patek, Philippe & Cie., Genève, No. 198081, case No. 609804. Movement made in 1913 and cased cica 1932. Very fine and rare, chromium-plated keyless "EXTRA" adjusted deck lever Chronometer with Guillaume balance and stop feature destined for Observatory Timing Contest in original fitted wooden box. Accompanied by the extract from the archives.

Three-body, drum type, polished, stop push-piece at 4 o'clock. Heavy, solid, matte silver, black painted baton indexes, outer minute track, subsidiary seconds. Blued steel "spade" hands. 47 mm. (21'''), gilt brass, 21 jewels, movement double stamped with Geneva hallmark, wolf's tooth winding, straight-line calibrated lever escapement, anibal-brass Guillaume balance with special alloy Breguet balance spring having inner and outer terminal curves, "swan-neck" micrometric regulator.

CHF 25,000 - 45,000

HKD 200,000 - 360,000 / USD 26,000 - 47,000

Sold: CHF 47,500


Grading System
Grade:

Exceptional

Case: 2-08

Very good

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original


Notes

Dial, case and movement signed. DIAM. 91 mm. When destined for OBSERVATORY TIMING Contests, PATEK PHILIPPE watches - as did those of other makers - had their movements double-engraved with serial numbers.