Vacheron & Constantin. A fine and rare stainless steel and 18K pink gold chronograph wristwatchSigned Vacheron & Constantin, Geneve, No. 470221, Ref. 4072, circa 1945 13'', with nickel-finished lever movement, 19 jewels, the silvered matte dial with applied pink gold Roman and dot numerals, pink gold hands, outer tachometer scale, two subsidiary dials indicating constant seconds and 30 minute register, the stainless steel case with pink gold bezel, pink gold crown, downturned lugs, stainless steel snap on back (No. 275665), two pink gold rectangular chronograph buttons in the band, together with a contemporary 18K pink gold Vacheron & Constantin buckle, accompanied by Vacheron & Constantin Certificat D'Origine, case, dial and movement signed34 mm. diam.