Stainless steel case with a black rubber strap. Fixed stainless steel bezel showing tachymeter markings. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 seconds, 30 minute, and 12 hour. Automatic movement with a 40-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Case size: 42 mm. Case thickness: 13 mm. Round case shape. Deployment clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Hublot Super B Automatic Chronograph Black Dial Black Rubber Men's Watch 1921.NL40.1.specs:Case Case Size:42 mmCase Thickness:13 mmCase Material:Stainless SteelCase Shape:RoundCase Back:TransparentBand Band Material:RubberBand Type:StrapBand Color:BlackClasp:Deployment with Push Button ReleaseDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:IndexSecond Markers:Minute Markers around the outer rimSub Dials:Three - 60 Second, 30 Minute and 12 HourLuminiscence:Hands and MarkersBezel:FixedBezel Material:Stainless SteelCrown:Screw DownInformation Brand:HublotSeries:Super BCollection Name:Super BGender:MensModel:1921.NL40.1Watch Label:Swiss MadeMovement:AutomaticPower Reserve:40 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display between 4 and 5 o'clock positionFunctions:Chronograph, Date, Hour, Minute, Second, TachymeterWatch Features:Chronograph, Stainless Steel, RubberAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyGoldia Sku:HB1921NL401Department:WatchesCategory:Watches