TECHNICAL DATABrand: U-BoatFamily: DARKMOONReference: 9548Name: U-Boat Men’s 9548 Darkmoon 44 mm Bronze Curved Dial WatchCASEMaterial: SteelGlass: Sapphire GlassDiameter: 44,8 X 0Case Thickness: 0Water Resistance: 5 ATMDIALColor: BlackDial Markers: Arabic numeralsBezel: Stainless SteelMOVEMENTType: QuartzCalieber: Ronda 712.3Base Caliber: –BANDMaterial: RubberColor: BlackClasp: BuckleOTHER FUNCTIONSCrown Left ,Luminescent Hands,Luminescent Numerals,Luminous indexes ,Screw-Down Crown ,