Affectionately Nicknamed the “Moonwatch” mainly because it accompanied astronauts who landed on the moon, this Speedmaster has grown to be a cult watch that is often only gently revised. Also, Omega's motivation to precision and innovation, as seen in capabilities such as the co-axial escapement and high-level drinking water resistance, https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/