Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 406

"Display Clock" Patek, Philippe & Cie., Genève, No. 178435, case No. 293831. Movement made in 1913 and cased in 1932. Very fine and rare, chromium-plated keyless "EXTRA" adjusted deck lever chronometer with Guillaume balance, power reserve indication and stop feature destined for Observatory Timing Contest in original fitted wooden box. Accompanied by the Extract from the Archives.

CHF 7,500 - 9,000

EUR 5,700 - 7,000

Sold: CHF 29,500

C. Three-body, drum type, polished, stop push-piece at 4 o'clock. D. Heavy, solid, matte silver, bold Arabic numerals, outer minute track, 36-hour power reserve indicator below 12 o'clock, subsidiary seconds. Blued steel "spade" hands. M. 47 mm. (21'''), rhodium-plated, "fausses côtes" decoration, 21 jewels, 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. Dial, case and movement signed. Diam. 91 mm.


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Grading System
Grade: AAA

Excellent

Case: 3

Good

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-01

Good

HANDS Original

Notes

When destined for Observatory Timing Contests, Patek Philippe watches - as did those of other makers-- had their movements double-engraved with serial numbers.