Stainless steel case with a brown leather strap. Fixed stainless steel showing tachymeter scale. Black dial with silver-tone hands and stick hour markers. Minute markers around the outer rim. 24 hour scale. Dial Type: Analog. Luminescent hands and markers. Date display appears at the 6 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Case diameter: 44.25 mm. Case thickness: 15.4 mm. Round case shape. Band width: 24.3 mm. Band length: 9.5 inches. Deployment clasp with push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, GMT, second time zone, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Broad Arrow GMT Chronograph Automatic Men's Watch 38815037.specs:General Color:Black / Brown / SkeletonCase Case Size:44.25 mmCase Thickness:15.4 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SkeletonBand Band Material:LeatherBand Type:StrapBand Color:BrownBand Length:9.5 inchesBand Width:24.3 mmClasp:Deployment with Push Button ReleaseDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:StickSecond Markers:Minute Markers around the outer rim with 24 hour scaleSub Dials:Three - 60 Second, 30 Minute and 12 HourLuminiscence:Hands and MarkersBezel:Fixed Stainless Steelwith Tachymeter scaleCrown:Screw DownInformation Brand:OmegaSeries:SpeedmasterCollection Name:SpeedmasterGender:MensModel:38815037Watch Label:Swiss MadeMovement:AutomaticEngine:Omega Calibre 3603Power Reserve:52 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display at the 6 o'clock positionFunctions:Chronograph, GMT, Second Time Zone, Date, Hour, Minute, Second, Chronometer, TachymeterWatch Features:Analog, GMT, Chronometer, Leather, Stainless Steel, Chronograph, Time ZoneAdditional Info Watch Style:LuxuryWarranty:4 Year Goldia WarrantyUPC Code:7612586162206Goldia Sku:OM3881.50.37Department:WatchesCategory:Watches