This is an authentic OMEGA Stainless Steel 42mm Seamaster Diver 300M Co-Axial Master Chronometer Automatic Watch Grey. This Omega Seamaster is crafted from stainless steel and features an automatic movement with a date complication and co-axial escapement, grey zirconium oxide dial, unidirectional rotating ceramic bezel, exhibition caseback, and link bracelet with deployant clasp. This watch is resistant to magnetic fields up to 15,000 gauss. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.