By Brent Robillard The Moonwatch There is a small occupational hazard in calling yourself @calibre321 on Instagram. Eventually, someone expects you to have something sensible to say about the calibre 321. I suppose this is my opportunity. Please bear with me. During my recent visit to Kaplans in Stockholm, I photographed an Omega Speedmaster Professional 145.012 dating to around 1968. It is among the watches … Continue reading Omega Speedmaster 145.012: Why Collectors Keep Coming Back to the Calibre 321