Description: Omega Speedmaster Day-Date Pre-owned Omega Speedmaster Day-Date ref 3211.30.00 (2006 – 2016) takes the core idea of the Speedmaster and adds a bit more everyday functionality. The Speedmaster itself dates back to 1957 and became famous as the watch worn during NASA’s lunar missions, which is why it’s often called the “Moonwatch.” This version is a bit more versatile. The 40mm stainless steel case makes  it very wearable, paired with a silver dial