Patek Philippe. A Fine and Rare 18k Gold Chronograph Wristwatch with Pulsometer and Original CertificateSigned Patek Philippe & Co., Genève, Ref. 1463, Movement No. 867'440, Case No. 653'474, Manufactured in 1948Cal. 13" mechanical movement, 23 jewels, metal dust cover, silvered matte dial, applied gold Roman and baton numerals, outer railway minute divisions and pulsometer scale, two subsidiary dials for 30 minute register and constant seconds, circular water-resistant-type case, two round chronograph buttons in the band, screw back engraved Kemp Clark, case, dial, and movement signed34.5mm diam.