TECHNICAL DATABrand: JunghansFamily: Form AReference: 27/4131.00Name: Junghans 27/4131.00 Form A 160 Black Dial Lt.Ed WatchCASEMaterial: SteelGlass: Sapphire GlassDiameter: 39.3 X 39.3Case Thickness: 9.5Water Resistance: 5 ATMDIALColor: BlackDial Markers: No numeralsBezel: Stainless SteelMOVEMENTType: AutomaticCaliber: J800.2Reserve: 38BANDMaterial: LeatherColor: SteelClasp: BuckleFUNCTIONSDateOTHER FUNCTIONSLimited Edition ,Luminescent Hands,Luminous indexes