YouYouPifa Men's Alloy Strap Wind Round Mechanical Watches (Silver Strap / Black Dial) 100% Brand New Case Diameter: 40 mm Inch, Case Thickness: 15 mm / 0.59 Inch, Case Width: 18 mm / 0.71 Inch, Band Length: 20 cm Movement: Mechanical Hand wind Decorative Non-Functioning Sub Dials Daily Water Resistant please don't put it in Water