Omega Constellation Automatic Silver Dial Men's Watch130.30.39.21.02.001.  Stainless steel case with a stainless steel bracelet. Fixed fluted stainless steel bezel. Silver dial with luminous steel hands and index hour markers. Minute markers around the outer rim.  Luminescent hands and markers. Date display at the 6 o'clock position. Omega calibre 8900 automatic movement, based upon Omega 8500, containing 39 Jewels, bitting at 25200 vph, and has a power reserve of approximately 60 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 39 mm. Band width: 20 mm. Deployment clasp. Water resistant at 100 meters / 330 feet.