This is an authentic OMEGA 18K Sedna Gold Alligator 44mm Speedmaster Moonphase Chronograph Automatic Watch Black 304.63.44.52.01.001. The watch is crafted of 18 karat "Sedna" rose gold and features a black sun brushed dial, luminous hands and hour markers, Moonphase indication, black ceramic bezel ring, black alligator strap, sapphire crystal, and an automatic movement. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.