YouYouPifa Women's Stainless Steel Strap Quartz Square LED Watches (Black Strap / Black Dial) 100% Brand New Case Diameter: 36 mm Inch, Case Thickness: 10 mm / 0.39 Inch, Case Width: 23 mm / 0.91 Inch, Band Length: 20.9 cm Movement: Quartz Daily Water Resistant please don't put it in Water