18kt Rose Gold Case with Brushed & Polished Bezel, Mother of Pearl Dial featuring Roman numeral hour markers and rose gold-tone hands, Analog Display. Powered by Omega Calibre 8520 Automatic Movement (based on Omega 8500), equipped with 28 Jewels, beats at 25200 vph, offering approximately 50 hours power reserve. Features include date function, hour, minute and second subdials, Co-Axial Escapement technology ensuring precision chronometer status. Protected by a Scratch Resistant Sapphire Crystal. Includes Screw Down Crown with Transparent Case Back (round shape). Water resistant to 100 meters / 330 feet depth.