100% New and High Quality!!Material: Stainless steel.Colour: Black.Diameter: approx 4 cm. Case thickness: approx 0.8 cm.Band length: approx 23 cm. Band width: approx 2 cm. Band adjustable: Yes.Package Content: 1 pc  Attention: Due to the photograph lights and different computer resolution, there will be a bit off color. Hope for your understanding. If you like our item, please give us five stars. Thank you~~