Stainless steel case with a brown leather strap. Fixed stainless steel bezel showing tachymeter markings. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Two sub-dials displaying: 60 seconds and 24 hour. Automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case size: 41.5 mm. Case thickness: 16.5 mm. Round case shape. Band width: 21.6 mm. Band length: 8.5 inches. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter,date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Co-Axial Automatic Men's Watch 331.12.42.51.01.002.specs:Case Case Size:41.5 mmCase Thickness:16.5 mmCase Material:Stainless SteelCase Shape:RoundCase Back:TransparentBand Band Material:LeatherBand Type:StrapBand Color:BrownBand Length:8.5 inchesBand Width:21.6 mmClasp:Fold OverDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:Luminous Silver-toneDial Markers:IndexSecond Markers:Minute Markers around the outer rimSub Dials:Two - 60 Second and 24 HourLuminiscence:Hands and MarkersBezel:FixedBezel Color:Silver-toneBezel Material:Stainless Steel showing TachymeterCrown:Pull / PushInformation Brand:OmegaSeries:SpeedmasterCollection Name:SpeedmasterGender:MensModel:331.12.42.51.01.002Watch Label:Swiss MadeMovement:AutomaticEngine:Omega Calibre 9300Power Reserve:60 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display at the 6 o'clock positionFunctions:Chronograph, Date, Hour, Minute, Second, Chronometer, TachymeterWatch Features:Chronograph, Stainless Steel, Leather, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:4 Year Goldia WarrantyUPC Code:7612586258060Goldia Sku:OM33112425101002Department:WatchesCategory:Watches