Silver-tone stainless steel case with a black alligator leather strap. Fixed silver-tone stainless steel bezel. Grey dial with silver-tone hands and alternating hour index and Arabic numeral, minute markers around the outer rim hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hand and markers. Four sub-dials displaying: 30 minute counter at the 3 o'clock position, power reserve indicator at the 6 o'clock position, opened dial at 10 o'clock showing the heart of el primero movement, small second hand at 9 o'clock. Zenith Calibre El Primero 4021H Automatic movement, containing 39 Jewels, composed of 248 parts, bitting at 36000 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 40 mm. Deployment clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, column wheel, hour, minute, small second, power reserve indicator. Additional Info: chronograph, power reserve indicator. Class Open El Primero Series. Fashion watch style. Watch label: Swiss Made. Item Variations: 03.0510.4021-01.C492, 03 0510 4021 01 C492, 030510402101C492. Zenith Class Open Chronograph Stainless Steel Men's Watch 03.0510.4021/01.C492.specs:General Color:Black / GreyCase Case Size:40 mmCase Material:Stainless SteelCase Shape:RoundCase Back:Transparent See ThroughBand Band Material:Alligator LeatherBand Type:StrapBand Color:BlackClasp:DeploymentDial Dial Color:GreyType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-toneDial Markers:Alternating Hour Index and Arabic Numeral, Minute Markers around the outer rimSecond Markers:Minute Markers around the outer rimSub Dials:Four - 30 Minute counter at the 3 o'clock position, Power reserve indicator at the 6 o'clock position, Opened dial at 10 o'clock showing the heart of El Primero movement, Small Second hand at 9 o'clockLuminiscence:Hand and markersBezel:FixedBezel Color:Silver-toneBezel Material:Stainless SteelCrown:Screw DownInformation Brand:ZenithSeries:Class Open El PrimeroCollection Name:Class Open El PrimeroGender:MensModel:03.0510.4021/01.C492Watch Label:Swiss MadeMovement:AutomaticEngine:Zenith Calibre El Primero 4021HPower Reserve:50 hoursFeatures Water Resistance:50 meters / 165 feetFunctions:Chronograph, Column Wheel, Hour, Minute, Small Second, Power Reserve IndicatorWatch Features:Chronograph, Stainless Steel, Leather, Power Reserve IndicatorAdditional Info Watch Style:FashionWarranty:3 Year Goldia WarrantyUPC Code:845858001768Additional Info:Chronograph, Power Reserve IndicatorGoldia Sku:ZE030510402101C492Item Variation:03.0510.4021-01.C492, 03 0510 4021 01 C492, 030510402101C492Department:WatchesCategory:Watches