Vintage NOS Heuer Carrera Ref. 2547S Calendarium Chronograph
Very rare Heuer Carrera 12 Caldenarium from 1966. With handwinding Valjoux 723 and blue crescent hand for blue date scale. The chronograph with reference 2547S, has a day and month display at 12 o’clock. The condition is exceptionally good, authentic and unpolished. 3 totalizers: permanent seconds, 60 minutes and 12 hours – chrono display. With black repro leather strap and Heuer buckle.