Last year, on a Tuesday, Omega introduced the Speedmaster “Ed White” powered by the caliber 321. Exactly one year later, Omega introduced its new Moonwatch Master Chronometer. We’ve been asked by several readers and viewers (of our Moonwatch Master Chronometer video), to have a closer look at the new Moonwatch with sapphire crystal and the […] Visit Speedy Tuesday Video: Omega Speedmaster Moonwatch Master Chronometer Vs. Omega Speedmaster “Ed White” 321 to read the full article.