细节
Patek Philippe. A stainless steel openface keyless lever dress watch
Signed Patek Philippe & Cie., Genève, ref. 651, movement no. 871'612, case no. 641'418, manufactured in 1948
Cal. 17'''250 nickel-finished lever movement, 18 jewels, bimetallic compensation balance, swan neck regulator, silvered matte dial, applied stainless steel baton and Arabic numerals, outer railway minute divisions, subsidiary seconds, plain circular case, snap on back, case, dial and movement signed
45.5 mm. diam.