This is an authentic OMEGA Stainless Steel 42mm Speedmaster Professional Moonwatch Chronograph Watch. This iconic professional watch is known for its legendary use on NASA lunar space missions. It is a stainless steel chronograph that features a three sub dials on a black dial, luminous silver tone hands, and tachymetric bezel. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.