Silver-tone stainless steel case with a silver-tone stainless steel rolex oyster bracelet. Fixed domed silver-tone stainless steel bezel. Black concentric dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display at the 3 o'clock position. Rolex Calibre 2235 Automatic movement, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 31 mm. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, chronometer. Datejust Lady 31 Series. Luxury watch style. Watch label: Swiss Made. Item Variations: 178240, 178240-BKCAO, Rolex-178240, Rolex-178240-BKCAO. Rolex Datejust Lady 31 Black Concentric Dial Stainless Steel Oyster Bracelet Automatic Watch 178240BKCAO.specs:General Color:BlackCase Case Size:31 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SolidBand Band Material:Stainless Steel Rolex OysterBand Type:BraceletBand Color:Silver-toneClasp:OysterlockDial Dial Color:Black ConcentricType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:Arabic NumeralSecond Markers:Minute Markers around the outer rimBezel:Fixed DomedBezel Color:Silver-toneBezel Material:Stainless SteelCrown:Screw DownInformation Brand:RolexSeries:DatejustCollection Name:Datejust Lady 31Gender:WomensModel:178240BKCAOWatch Label:Swiss MadeMovement:AutomaticEngine:Rolex Calibre 2235Power Reserve:48 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display at the 3 o'clock positionFunctions:Date, Hour, Minute, Second, ChronometerWatch Features:Stainless Steel, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyUPC Code:845960084123Goldia Sku:RLX178240BKCAOItem Variation:178240, 178240-BKCAO, Rolex-178240, Rolex-178240-BKCAODepartment:WatchesCategory:Watches