Features:Material: Stainless SteelCase Diameter: approx 4.5cmCase Thickness: app 9mmBand Length: approx 23.5cm (Include case)Band Width: approx 2.1cmThree Sub-dials is only for decoration, not work  Notes:The real color of the item may be slightly different from the pictures shown on    website caused by many factors such as brightness of your monitor and light brightness.