Omega  131.23.41.21.06.001
Omega, Constellation Series Manhattan, Model: 131.23.41.21.06.001, Automatic Mechanical, Men's Watch, 41mm Diameter, Stainless Steel Intergold Edition, Paired with Black Ceramic bezel and Grey Silk dial, Comes with Original Rubber Strap, Equipped with 8900 Ultimate Observatory Movement. Watch bezel with Roman numeral scale, calendar window at 6 o'clock position