Speedmasters_ST145.02269 ← Previous Next → Omega Speedmaster Professional Decimal. Like this:Like Loading... Circa 1969. Regular production model with rare Decimal inlay. Reference number ST 105.012. Share this:Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to print (Opens in new window)MoreClick to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)Like this:Like Loading...