Omega Seamaster Professional 2455.50.00 Mens Watch. 43mm Stainless steel case with an 18K yellow gold Uni-directional Arabic numeral bezel and Helium escape value. Black wave dial with luminous hands and hour markers. Minute markers on the outer dial. Date display at the 3 o'clock position. Stainless steel and 18K yellow gold bracelet with a double push-button fold-over clasp. will fit up to a 7.25-inch wrist. Sapphire crystal. Calibre 1120 automatic self-winding movement with a 44-hour power reserve. Circa 2006. This watch is backed by our one year warranty.