YouYoupifa Both sides of the Hollow Dial Black PU leather band Men's Automatic Mechanical Watch 100% Brand New Case Diameter:44*41 mm / 1.73*1.61 inch; Case Thickness:12 mm / 0.47 inch; Band Width:19 mm / 0.75 inch Movement:Automatic Mechanical Movement Water resistant:Daily water resistant, please don't put it in water