This is an authentic OMEGA Stainless Steel 39mm Speedmaster Chronograph Automatic Watch Black 3513.50. The watch is crafted of stainless steel and features a black dial, luminescent sword hands and hour markers, date display, three sub-dials, sapphire crystal, and an automatic movement. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.