The Intra-Matic’s origins are rooted in Project 99, developed with Büren, Heuer, Breitling and movement specialist Dubois-Depraz. The result of this joint effort was presented in 1969 with one of the first automatic chronograph movements called Chrono-Matic, or Calibre 11, depending on the brand using it. Alongside, Hamilton presented in the late 1960s the Chronograph […]
