Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Mother of pearl dial with luminous silver-tone hands and diamond hour markers. Dial Type: Analog. Luminescent hands. Date display at the 6 o’clock position. Omega calibre 8500 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Case size: 38.5 mm. Case thickness: 10 mm. Round case shape. Band width: 22 mm. Band length: 7.5 inches. Deployment clasp. Water resistant at 150 meters / 500 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Item Variations: 231 10 39 21 55 002, 231-10-39-21-55-002, 231/10/39/21/55/002, 23110392155002. Omega Seamaster Aqua Terra Automatic Ladies Watch 23110392155002.