This is an authentic Stainless Steel 18K Red Gold Diamond Mother of Pearl 27mm Constellation Automatic Watch 123.20.27.20.55.001. The watch is crafted of stainless steel and 18 karat red gold, and features a mother of pearl dial with diamond hour markers, two-tone link bracelet, sapphire crystal, and an automatic movement. Follow this item for alerts. Omega is a registered trademark of Omega. FASHIONPHILE is not affiliated with Omega.