Yellow gold-tone 18kt yellow gold case and bracelet. Fixed yellow gold-tone bezel with diamond set 18kt yellow gold. Mother of pearl dial with yellow gold-tone hands and diamond hour markers. Dial Type: Analog. Date display at the 6 o'clock position. Omega Calibre 8700 automatic movement with a 50-hour power reserve. Anti-reflective scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 29 mm. Push button folding clasp. Water resistant at 50 meters. Functions: date, hour, minute, second, co-axial escapement, chronometer, magnetic resistant. Constellation Automatic Series. Luxury watch style. Watch label: Swiss Made. Pre-owned Omega Constellation Automatic Chronometer Diamond Ladies Watch 131.55.29.20.55.002.