Grey titanium case with a blue leather (carbon structure) strap. Fixed blue titanium with blue ceramic top ring bezel. Skeleton dial with luminous grey hands and index hour markers. Roman numerals mark the 3, 9 and 12 o'clock positions. Dial Type: Analog. Ulysse Nardin calibre UN-171 hand wind movement with a 170-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Round case shape. Case size: 45 mm. Case thickness: 12.6 mm. Band width: 22 mm. Fold over clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second, flying tourbillon. Luxury watch style. Watch label: Swiss Made. Ulysse Nardin Executive Skeleton Tourbillon Men's Hand Wound Watch 1713-139/43.specs:Case Case Size:45Case Thickness:12.6 mmCase Material:TitaniumCase Shape:RoundCase Back:TransparentBand Band Material:Leather (Carbon Structure)Band Type:StrapBand Color:BlueBand Width:22 mmClasp:Fold OverDial Dial Color:SkeletonType:AnalogCrystal:Scratch Resistant SapphireHands:Luminous GreyDial Markers:IndexSecond Markers:Roman Numerals mark the 3, 9 and 12 o'clock positionsBezel:FixedBezel Color:BlueBezel Material:Titanium with Blue Ceramic Top RingCrown:Screw DownInformation Brand:Ulysse NardinSeries:Executive Skeleton TourbillonCollection Name:Executive Skeleton TourbillonGender:MensModel:1713-139/43Watch Label:Swiss MadeMovement:Hand WindEngine:Ulysse Nardin Calibre UN-171Power Reserve:170 hoursFeatures Water Resistance:30 meters / 100 feetFunctions:Date, Hour, Minute, Second, Flying TourbillonWatch Features:Tourbillon, Titanium, Leather, Ceramic, AnalogAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyUPC Code:842047125366Goldia Sku:UN1713-139-43Department:WatchesCategory:Watches