Speedmaster 125 378.0801 — Standard

Omega 1041

ChronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph.-certified 1040, used only in the Speedmaster 125 and described as the first 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. chronometer.