Product Descriptions:This automatic analog watch offers all the convenience and durability of a fashion watch, with an adaptable style well suited for a work day.Functions without a battery, powers automatically with the movement of your arms. fully winding up spring need be turn the crown 15 rounds.The band is made out of steel. It is backed by a 90 days limited manufacturer's warranty.Shock resistant and key scratch resistant.Good texture Color may not appear as exactly as in real life due to variations between the computer monitors and naked eyes color difference.Luminous Dial very delicate design, you can see how the movement works through the hollow watch case.Specification :Movement: Automatic Self-WindDial Case Diameter: 50 mmDial Case Thickness: 16 mmBand Width: 20 mmBand Length: 23cmBand Material Type: Stainless steelClasp Type: BucklePackage Included:1x Genuine Watch1x Gift Box1 x Watch Instruction Manual.