18kt white gold case with a blue alligator leather strap. Fixed 18kt white gold bezel. Blue dial with white alpha-style shape hands and index hour markers. Roman numerals mark the 3, 6, 9 and 12 o'clock positions. minute markers around the outer rim. Dial Type: Analog. Big date at the 1 o'clock position. Two sub-dials displaying: small second and power reserve indicator. A. Lange & Sohne Calibre L121.1 Hand Wind movement, containing 43 Jewels, composed of 368 parts, bitting at 21600 vph, and has a power reserve of approximately 72 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 38.5 mm, case thickness: 9.8 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: big date, hour, minute, small second, power reserve indicator. Lange 1 Series. Luxury watch style. Watch label: Made in Germany. A. Lange Sohne Lange 1 Hand Wind Blue Dial Men's Watch 191.028.specs:Case Case Size:385Case Thickness:9.8 mmCase Material:18kt White GoldCase Shape:RoundCase Back:TransparentBand Band Material:Alligator LeatherBand Type:StrapBand Color:BlueClasp:TangDial Dial Color:BlueType:AnalogCrystal:Scratch Resistant SapphireHands:White Alpha-style shapeDial Markers:IndexSecond Markers:Roman Numerals mark the 3, 6, 9 and 12 o'clock positions. Minute Markers around the outer rimSub Dials:Two - Small Second and Power Reserve IndicatorBezel:FixedBezel Material:18kt White GoldCrown:Pull / PushInformation Brand:A. Lange & SohneSeries:Lange 1Collection Name:Lange 1Gender:MensModel:191.028Watch Label:Made in GermanyMovement:Hand WindEngine:A. Lange & Sohne Calibre L121.1Power Reserve:72 hoursFeatures Water Resistance:30 meters / 100 feetCalendar:Big Date at the 1 o'clock positionFunctions:Big Date, Hour, Minute, Small Second, Power Reserve IndicatorWatch Features:Leather, Gold, Power Reserve Indicator, Analog, Alligator LeatherAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyGoldia Sku:LNS191.028Department:WatchesCategory:Watches