18,400 CHF
Patek, Philippe & Cie. , Genève, No. 27701, made for the Spanish market circa 1867.Very fine and very rare 18K gold and enamel hunting-cased lever pocket chronometer with free-sprung spherical balance spring. our-body, "bassine et filets", back with applied gold bear head surrounded by hunting trophies and oak leaves, border decorated with repeated scrolling and foliate patterns, some with black champlevé enamel, band with repeated pattern, front similar with applied gold initials, gold hinged cuvette. White enamel, Roman numerals, outer minute track, subsidiary sunk seconds. Blued steel "spade" hands. Notes As in the previous lot, the company used the 19H caliber, which they employed for their best pocket chronometers.The spherical balance springs was rarely used by Patek Philippe; fewer than eight are known to exist.The spherical balance spring was developed by Jacques-Frédéric Houriet (1743-1830) following many years of reflection on the subject of isochronism. After experimentation with a variety of forms of the balance spring, he judged the spherical one to be perfect.
Auctioneer:
Antiquorum
Date:
2003-04-12
