Stainless steel case with a stainless steel bracelet. Fixed black ion-plated bezel with tachymeter. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and dial markers. Chronograph - three sub-dials displaying: 60 seconds, 30 minutes and 12 hours sub-dials. Manual movement. Scratch resistant hesalite crystal. Solid case back. Case diameter: 42 mm. Case thickness: 14.3 mm. Round case shape. Stainless steel clasp. Water resistant at 50 meters / 165 feet. Functions: hours, minutes, seconds, chronograph, tachymeter. Sport watch style. Watch label: Swiss Made. Omega Speedmaster Professional Chronograph Moon Watch 3570.50.specs:General Color:BlackCase Case Size:42 mmCase Thickness:14.3 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SolidBand Band Material:Stainless SteelBand Type:BraceletBand Color:Silver-toneClasp:Stainless SteelDial Dial Color:BlackType:AnalogCrystal:HesaliteHands:LuminousDial Markers:IndexSecond Markers:Minute Markers around the outer rimSub Dials:Three - 60 second, 30 Minute and 12 HourLuminiscence:Hands and Dial MarkersBezel:Fixed Tachymeter ScaleBezel Color:Black Ion-platedBezel Material:Stainless SteelInformation Brand:OmegaSeries:SpeedmasterCollection Name:SpeedmasterGender:MensModel:3570.50Watch Label:Swiss MadeMovement:Hand WindEngine:Omega Calibre 1861Power Reserve:48 hoursFeatures Water Resistance:50 meters / 165 feetFunctions:Chronograph, Hour, Minute, Second, TachymeterWatch Features:Chronograph, Stainless Steel, AnalogAdditional Info Watch Style:SportWarranty:4 Year Goldia WarrantyUPC Code:7612586030420Goldia Sku:OM3570.50Item Variation:3570.50, 3570.50.00, 3570-50, 3570-50-00, 3570/50, 357050, 3570Department:WatchesCategory:Watches