The Omega Speedmaster 145.012 is historically significant as the last reference to house the legendary Caliber 321 column-wheel chronograph movement before Omega transitioned to the Caliber 861. Produced around 1967-1968, it shares the iconic 42mm asymmetric…
The 145.012 is the last Speedmaster to use the legendary cal. 321 - a column-wheel chronograph that's arguably the most beautiful movement Omega ever produced. It's the reference NASA-certified for the moon missions, and it wears with real vintage warmth: chunky lugs, proper hesalite dome, and that pre-Moonwatch subdial layout. This is the collector's Speedmaster.
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