Brand New Authentic Omega Constellation Co-Axial movement model 131.23.41.21.03.001 (also known as 13123412103001). Blue dial with rose gold tone hands and Roman numeral hour markers, plus minute markers on the outer rim. Stainless steel case accented by an 18K Sedna™ Gold bezel. Supplied with a blue leather strap featuring rubber lining for durability. Fixed ceramic insert bezel. Tang clasp closure. Automatic movement powered by Omega Calibre 8900. Date function, power reserve indicator and hours/minutes/seconds subdials visible through sapphire crystal display. Round case measuring 41mm in diameter with transparent back allowing view of the movement. Water resistant to 50 meters (approx. 165 feet). Includes a 5 year WatchMaxx warranty.