YouYouPifa Men's Leather Strap 24-hour Automatic Mechanical Watch (White Dial&Silver Bezel) 100% Brand New Case Diameter:41 mm / 1.61*0.00 inch, Case Thickness:12 mm / 0.47 inch, Band Width:21 mm / 0.83 inch,Band Length:21 cm Movement:Automatic self wind A Sub-dial Hour Show & Tourbillon, Day and Night Display Water resistant:Daily water resistant, please don't put it in water