Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel with an inlaid black aluminium ring bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Omega Calibre 3861 Automatic movement, based upon Lemania 1873, containing 26 Jewels, bitting at 21600 vph, and has a power reserve of approximately 50 hours. Scratch resistant hesalite crystal crystal. Pull / push crown. Solid case back. Round case shape, case size: 42 mm, case thickness: 13.58 mm. Deployment clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, hour, minute, second. Additional Info: original box, manual (complete accessories). Speedmaster Series. Dive watch style. Watch label: Swiss Made. Omega Speedmaster Chronograph Hand Wind Black Dial Men's Watch 310.30.42.50.01.001.specs:Case Case Size:42Case Thickness:13.58 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SolidBand Band Material:Stainless SteelBand Type:BraceletBand Color:Silver-toneClasp:DeploymentDial Dial Color:BlackType:AnalogCrystal:Hesalite crystalHands:Silver-toneDial Markers:IndexSecond Markers:Minute Markers around the outer rimSub Dials:Three - 60 Second, 30 Minute and 12 HourLuminiscence:Hands and MarkersBezel:FixedBezel Color:Silver-toneBezel Material:Stainless Steel with an inlaid Black Aluminium RingCrown:Pull / PushInformation Brand:OmegaSeries:SpeedmasterCollection Name:SpeedmasterGender:MensModel:310.30.42.50.01.001Watch Label:Swiss MadeMovement:Hand WindEngine:Omega Calibre 3861Power Reserve:50 hoursFeatures Water Resistance:50 meters / 165 feetFunctions:Chronograph, Hour, Minute, SecondWatch Features:Chronograph, Stainless Steel, AnalogAdditional Info Watch Style:DiveWarranty:4 Year Goldia WarrantyUPC Code:7612586306747Additional Info:Original Box, Manual (Complete Accessories)Goldia Sku:OM31030425001001Department:WatchesCategory:Watches