Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel with tachymeter. Black dial with luminous hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display appears between the 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 12 hours, 30 minutes and 60 seconds. Automatic movement. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 44.25 mm. Case thickness: 15.4 mm. Band width: 21 mm. Push button fold over clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, date, chronograph, tachymeter. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Broad Arrow Black Dial Automatic Men's Watch 321.10.44.50.01.001.specs:General Color:Black / SkeletonCase Case Size:44.25 mmCase Thickness:15.4 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SkeletonBand Band Material:Stainless SteelBand Type:BraceletBand Color:Silver-toneBand Width:21 mmClasp:Fold Over with Push Button ReleaseDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:LuminousDial Markers:Arabic NumeralSecond Markers:Minute markers around the outer rimSub Dials:Three - 60 Second, 30 Minute and 12 HourLuminiscence:Hands and MarkersBezel:Fixed Tachymeter ScaleBezel Color:Silver-toneBezel Material:Stainless SteelInformation Brand:OmegaSeries:SpeedmasterCollection Name:Speedmaster Broad ArrowGender:MensModel:321.10.44.50.01.001Watch Label:Swiss MadeMovement:AutomaticEngine:Omega Calibre 3313Power Reserve:52 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display between 4 and 5 o'clock positionFunctions:Chronograph, Date, Hour, Minute, Second, Chronometer, TachymeterWatch Features:Chronograph, Stainless Steel, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:4 Year Goldia WarrantyUPC Code:7612586214219Goldia Sku:OM32110445001001Item Variation:321 10 44 50 01 001, 321-10-44-50-01-001, 321/10/44/50/01/001, 32110445001001Department:WatchesCategory:Watches