Silver-tone stainless steel case with a silver-tone stainless steel with 18kt rose gold bars bracelet. Fixed roman numeral 18kt rose gold bezel. White mother of pearl dial with gold-tone dauphine-style shape hands and diamond hour markers. Dial Type: Analog. Luminescent hands. 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. Skeleton case back. Round case shape, case size: 27 mm, case thickness: 8.6 mm. Band width: 15 mm. Deployment with push button release clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: 123 20 27 20 55 001, 123-20-27-20-55-001, 123/20/27/20/55/001, 12320272055001. Omega Constellation Chronometer Ladies Watch 123.20.27.20.55.001.