Silver-tone stainless steel case with a silver-tone stainless steel bracelet. Fixed silver-tone stainless steel set with diamonds bezel. Black dial with luminous silver-tone dauphine-style shape hands and diamond hour markers. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Omega Calibre 8520 Automatic movement, based upon Omega 8500, containing 28 Jewels, bitting at 25200 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 27 mm, case thickness: 9 mm. Band width: 17.5 mm, band length: 7 inches. Deployment with push button release clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, chronometer. Casual watch style. Watch label: Swiss Made. Item Variations: 123 15 27 20 51 001, 123-15-27-20-51-001, 123/15/27/20/51/001, 12315272051001. Omega Constellation Chronometer Automatic Diamond Ladies Watch 123.15.27.20.51.001.