This watch is also known as:
2201.50.00 , 220150 , 2201/50/00 .
Features Omega's Co-Axial Movement. Black Aluminum Rotating Bezel, Black Dial with bold Luminous hands (Broad Arrow) & hour markers, Date window Displayed at the 3 o'clock position, slightly domed Sapphire Crystal. Helium Escapement Valve located on the edge of the case at the 10 o'clock position.