Important Watches, Wristwatches and c...
Geneva, Oct 15, 1989
Patek Philippe & Cie, Genève, No. 177466, case No. 405885, made for the Grogan Company, Pittsburg, circa 1916. Very fine 18-carat gold keyless pocket chronometer.
Three body massive "demi-bassine" polished case with in-visible hinges. Gold cuvette. White enamel dial with Breguet numerals and subsidiary seconds. Blued steel "Breguet" hands. Very fine 18' rhodium plated "Extra" quality movement bearing the Geneva quality mark, 21 jewels, equilibrated straight line lever escapement with a brassinvar Guillaume balance, a blued steel balance-spring with a terminal curve and a swan neck micrometric index. In very good condition. Diam. 50 mm.