Material: Band Material:Stainless steel Case Material:Stainless steelBand Clasp Type：Push Button Hidden Clasp Mirror Surface:High hardness Synthetic sapphire Glass Specification: Dial Case Diameter:41mm Dial Case Thickness:11 mm Band Width:20mm Band Length:22cm We control quality successfully,based on top-of-the-line testing and extensive expertise.Not only a simple watch. We are professional watch sellers, selling any kinds of watches for men/women. If you need any hlep about watches, a good choice to contact us. Purchasing watches form us is not only just a watch, but with good customer service and warranty. We have a well trained customers sevice team, which could reply you in short time and give you help, aim to give a better shopping experience to our customers.