Year: 2005 This is an authentic OMEGA Stainless Steel Diamond Bezel Blue Mother of Pearl 15mm Constellation Quadra Quartz Watch 1537.74.00. The watch is crafted of stainless steel and features a blue mother of pearl dial, diamond 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.