18kt white gold case with a brown leather strap. Fixed 18kt white gold bezel. Grey dial with silver-toned hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Perpetual calendar. Four combined - day of the week (60 second), month, date (7 days) and moonphase. Automatic movement. Iwc 51613 engine. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 44.2 mm. Case thickness: 15.5 mm. Round case shape. Band width: 22 mm. Deployant clasp. Water resistant at 30 meters / 100 feet. Functions: year, month, date, day, hour, minute, second, moonphase. Luxury watch style. Watch label: Swiss Made. IWC Portuguese Automatic Grey Dial 18kt White Gold Brown Leather Men's Watch IW502307.specs:General Color:Brown / Gold / Grey / WhiteCase Case Size:44.2 mmCase Thickness:15.5 mmCase Material:18kt White GoldCase Shape:RoundCase Back:SkeletonBand Band Material:LeatherBand Type:StrapBand Color:BrownBand Width:22 mmClasp:DeploymentDial Dial Color:GreyType:AnalogCrystal:Scratch Resistant SapphireHands:Silver-tonedDial Markers:Arabic NumeralSecond Markers:Minute Markers around the outer rimSub Dials:Four Combined - Day of the week (60 Second), Month, Date (7 Days) and MoonphaseBezel:FixedBezel Material:18kt White GoldCrown:Pull / PushInformation Brand:IWCSeries:Portuguese Perpetual CalendarCollection Name:Portuguese Perpetual CalendarGender:MensModel:IW502307Watch Label:Swiss MadeMovement:AutomaticEngine:IWC Calibre 51613Power Reserve:168 hours / 7 daysFeatures Water Resistance:30 meters / 100 feetCalendar:Perpetual CalendarFunctions:Perpetual Calendar, Moon Phase, Year, Month, Date, Day, Hour, Minute, Small Second, Power Reserve IndicatorWatch Features:Analog, Power Reserve Indicator, Month, Perpetual, Gold, Leather, Moon PhaseAdditional Info Watch Style:LuxuryWarranty:With Manufacturer's GuaranteeUPC Code:845960065160Goldia Sku:IWC5023-07Department:WatchesCategory:Watches