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Hands-On: Omega Speedmaster Co-Axial Chronograph Caliber 9300 ref. 311.30.44.51.01.002 - SpeedyWatches
Omega Speedmaster Co-Axial Chronograph Caliber 9300 ref. 311.30.44.51.01.002 This article was first published on June 29th, 2013. Omega introduced its first automatic Speedmaster in 1971, over 40 years ago. Since then, a lot of Speedmasters powered by automatic movements have been introduced, but very few of them have proven to be of satisfaction to true Speedmaster …