细节
Vacheron Constantin. A fine 18K white gold openface keyless lever watch
Signed Vacheron & Constantin, Geneve, Suisse, movement no. 412'002, case no. 256'305, manufactured in 1930
Cal. 17''' 7/12 jewelled lever movement, bimetallic compensation balance, silvered dial, applied Arabic numerals, engine-turned subsidiary seconds, outer beady minute divisions, circular case, case, dial and movement signed
44 mm. diam.