Silver-tone stainless steel case with a black fabric strap. Bi-directional rotating burgundy and blue aluminium bezel. Opaline dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Tudor Calibre MT5652 Automatic movement, containing 26 Jewels, bitting at 28800 vph, and has a power reserve of approximately 70 hours. Scratch resistant sapphire crystal. Screw down crown. Round case shape, case size: 41 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: date, GMT, second time zone, hour, minute, second, chronometer. Black Bay Gmt Series. Luxury watch style. Watch label: Swiss Made. Tudor Black Bay GMT GMT Automatic Chronometer Opaline Dial Men's Watch M79830RB-0012.specs:Case Case Size:41Case Material:Stainless SteelCase Shape:RoundBand Band Material:FabricBand Type:StrapBand Color:BlackClasp:TangDial Dial Color:OpalineType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:IndexSecond Markers:Minute Markers around the outer rimLuminiscence:Hands and MarkersBezel:Bi-directional RotatingBezel Color:Burgundy and BlueBezel Material:AluminiumCrown:Screw DownInformation Brand:TudorSeries:Black Bay GmtCollection Name:Black Bay GMTGender:MensModel:M79830RB-0012Watch Label:Swiss MadeMovement:AutomaticEngine:Tudor Calibre MT5652Power Reserve:70 hoursFeatures Water Resistance:200 meters / 660 feetCalendar:Date display at the 3 o'clock positionFunctions:Date, GMT, Second Time Zone, Hour, Minute, Second, ChronometerWatch Features:Time Zone, Stainless Steel, Chronometer, GMT, AnalogAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyGoldia Sku:TUDM79830RB-0012Department:WatchesCategory:Watches