Montreal

Bold automaticAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. introduced in 1972 with the CalibreCaliberThe designation of a watch movement, identifying its design or movement family. 12, named for Montreal, host of the 1976 Olympics; later Valjoux 7750 versions from 1977.