细节
PATEK PHILIPPE. A RARE 18K GOLD OPENFACE KEYLESS LEVER POCKET WATCH WITH GUILLAUME BALANCE
Signed Patek Philippe & Cie., Geneve, Movement No. 162718, Case No. 402222, circa 1912
With nickel-finished Extra lever movement, wolf's tooth winding, 23 jewels, Guillaume balance, micrometer regulator, gold cuvette, white enamel dial with Breguet numerals, subsidiary seconds, polished case, case, cuvette, dial and movement signed
50mm diam.