YouYouPifa Slim Classic Hollow Dial Mechanical Hand Wind Watches(Brown Band&Silver Bezel&Black Dial) 100% Brand New Case Thickness:9 mm / 0.35 inch, Band Width:20 mm / 0.79 inch, Band Length:21 cm Movement:Mechanical Hand-wind Ultra-thin models manually fine mechanical watches Water resistant:Daily water resistant, please don't put it in water