18kt yellow gold case with a white rubber strap. Diamond set bezel. White mother of pearl dial with gold-tone hands and diamond hour markers. Dial Type: Analog. Date display at the 3 o'clock position. Omega Calibre 2500 automatic movement with a 48-hour power reserve. Scratch resistant sapphire crystal. Case size: 35 mm. Round case shape. Band width: 22 mm. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, co-axial escapement, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: 123 57 35 20 55 003, 123-57-35-20-55-003, 123/57/35/20/55/003, 12357352055003. Omega Constellation Diamond Ladies Watch 123.57.35.20.55.003.