This is an authentic OMEGA Stainless Steel 42mm Seamaster Diver 300M Co-Axial Automatic Watch Black 210.30.42.20.01.001. The watch is crafted of stainless steel and features a black dial, black ceramic rotating bezel, sapphire crystal, and an automatic movement. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.