细节
Vacheron Constantin. A very fine and rare large 18K gold openface keyless lever watch with chronograph
Signed Vacheron & Constantin, Genève Suisse, Chronomètre, movement no. 394'407, case no. 247'175, manufactured in 1923
Cal. RA 20''' jeweled mechanical movement, swan neck micrometer regulator, gold cuvette with inscription, white enamel dial, Arabic numerals, two subsidiary dials for constant seconds and 30 minute register, plain circular case, monogram to the back, case, dial, cuvette and movement signed
52.5 mm. diam.