Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel. Blue dial with luminous silver-tone hands and index hour markers. Roman numerals mark the 6 and 12 o'clock positions. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. IWC calibre 79320 automatic movement with a 44-hour power reserve. Scratch resistant sapphire crystal. Solid case back. Round case shape. Case size: 42 mm. Case thickness: 13.6 mm. Band width: 20 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, day of the week, hour, minute, second. Additional Info: limited to 2000 pieces. Luxury watch style. Watch label: Swiss Made. IWC Portofino Chronograph Edition 150 Years Automatic Men's Chonograph Watch IW391023.specs:Case Case Size:42 mmCase Thickness:13.6 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SolidBand Band Material:Alligator LeatherBand Type:StrapBand Color:BlackBand Width:20 mmClasp:TangDial Dial Color:BlueType:AnalogCrystal:Scratch Resistant SapphireHands:Luminous Silver-toneDial Markers:IndexSecond Markers:Roman Numerals mark the 6 and 12 o'clock positions. Minute Markers around the outer rimLuminiscence:Hands and MarkersBezel:FixedBezel Color:Silver-toneBezel Material:Stainless SteelInformation Brand:IWCSeries:Portofino Chronograph Edition 150 YearsCollection Name:Portofino Chronograph Edition 150 YearsGender:MensModel:IW391023Watch Label:Swiss MadeMovement:AutomaticEngine:IWC Calibre 79320Power Reserve:44 hoursFeatures Water Resistance:30 meters / 100 feetCalendar:Day of the Week and Date display at the 3 o'clock positionFunctions:Chronograph, Date, Day of the Week, Hour, Minute, SecondWatch Features:Chronograph, Stainless Steel, LeatherAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyUPC Code:7613268933923Additional Info:Limited to 2000 piecesGoldia Sku:IWC3910-23Department:WatchesCategory:Watches