$11,800
“Extra” Patek, Philippe & Cie. , Genève, No. 193439, case No. 647234. Made circa 1950. Very fine, keyless, 18K yellow gold "EXTRA" adjusted dress watch with Guillaume balance. Accompanied by a fitted box, copy of the Washington Bureau of Standards “Class A” certificate and the U.S. Department of Commerce’s “Testing of Timepieces” brochure dated 1941. Four-body, "bassine", polished, gold hinged cuvette. Matte silver with applied Breguet numerals, outer minute dots, subsidiary seconds dial. Yellow gold “dauphine" hands. Cal. 19’’’, rhodium-plated, "fausses-côtes" decoration, 23 jewels, straight line counterpoised lever escapement, anibal-brass Guillaume balance with "winged" arms, gold temperature adjustment screws and platinum mean time ones, special alloy Breguet balance spring with inner and outer terminal curve, diamond endstone, "swan-neck" micrometer regulator. Dial, case and movement signed. Diam. 52 mm.
Auctioneer:
Antiquorum
Date:
2006-09-20