18kt yellow gold case and bracelet. Fixed 18kt yellow gold bezel. Silver dial with yellow gold hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display at the 3 o'clock position. Omega Calibre 8501 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: 38 mm. Band width: 25 mm. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, co-axial escapement, chronometer. Constellation Series. Luxury watch style. Watch label: Swiss Made. Omega Constellation Automatic Chronometer Silver Dial Unisex Watch 123.50.38.21.02.002.