This Omega Seamaster Professional Diver 300 M SS Black Dial - 2531.80 has been worn.
Silver-tone stainless steel case with a silver-tone stainless steel bracelet. Uni-directional rotating blue stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Omega Calibre 1120 automatic movement with a 44-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 39.3 mm, case thickness: 11.7 mm. Deployment with push button release clasp. Water resistant at 300 meters / 1000 feet.