Omega 232.30.46.21.01.001 Seamaster Co-Axial Planet Ocean, 23230422101001, Stainless Steel on a Stainless Steel Bracelet , Chronometer, Automatic Movement with New Omega Caliber 8500, 60 Hour Power Reserve, Date at 3 O'clock, Sweep Second Hand, Black Dial with Luminous Hands and Hour Indicators, Sapphire Crystal, Water Resistant to 2000 ft. Diameter: 46mm, Thickness: 16.9 mm, New with Box and Papers.