Omega · Speedmaster
Speedmaster Professional Moonwatch
Ref. 145.012
discontinuedLast caliber 321DocumentedLast reviewed Not yet reviewed
Authentication Notes
Movement
HighHigh confidence
Caliber 321 column-wheel
The 145.012 uses the column-wheel caliber 321. A cam-actuated 861 in a 145.012 indicates a service swap or a married watch, not a correct example.
Inspection points
No inspection checklist has been published for this reference.