This is an authentic OMEGA Stainless Steel Diamond Bezel Mother of Pearl 27mm Constellation Automatic Watch 123.15.27.20.55.001. The watch is crafted of stainless steel and features a mother-of-pearl dial, diamond hour markers and bezel, sapphire crystal, and a quartz movement. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.