Caliber Vacheron Constantin 1142Functions Time chronograph
link with 30 minute registerDiameter 27.50mmThickness 5.57mmPower Reserve 48 hoursWinding ManualFrequency 21600 vphJewels 21Additional Details Horizontal clutch column wheel controlled hand-finished
link with flanks polished and edges beveled on plates and bridges
link decorated with circular graining on the dial side and Côtes de Genève on the back Geneva Seal