22,500 CHF
PATEK PHILIPPE REF. 738, LEVER CHRONOMETER NAVIGATION WATCH FOR GENEVA OBSERVATORY TRIAL, SILVER Patek Philippe & Cie., Genève, movement No. 106824, case No. 625987, Ref. 738, made in 1896, sold on August 12, 1901 to J.H. Leyson, Butte, Montana. Extremely fine and rare, large, silver, keyless, "Extra" adjusted lever chronometer navigation watch with Guillaume-type balance, entered for Geneva Observatory Timing Contest, achieving a “Grade A” rating certificate. Accompanied by a Patek Philippe wooden deck box and the Extract from the Archives. Four-body, "bassine", polished. Hinged silver cuvette. Matte silver with applied polished baton indexes, outer engraved dot minute track. Polished dauphine hands. 19’’’, Adjusted Extra, rhodium plated, fausses cotes decoration, pillar plate under the dial with oeil de perdrix fi nishing, 17 jewels, wolf’s tooth winding, very high quality straight line calibrated equidistant lever escapement, anibal-brass Guillaume-type compensation balance with poising wings on the balance arm, gold and platinum temperature and meantime adjustment screws, blued steel Breguet balance spring with outer terminal curve, diamond endstone, swan-neck micrometric regulator. Dial, case and movement signed, movement also signed for Butte, Montana, case punched with Swiss and German silver marks. Diam. 60 mm. Notes The present watch is a fi ne example of a Patek Philippe navigation watch from a very small series, all destined for Observatory trials, it is
Auctioneer:
Antiquorum
Date:
2011-11-13
