Brand, Seller, or Collection Name:BOLISI Part Number:F8245 Item Shape:Round Dial window material type:Mineral Display Type:Analog Case material:Stainless steel Case diameter:40 millimeters Case Thickness:7.6 millimeters Band Material:Stainless steel Band length:Unisex Band width:20 millimeters Band Color:Black Dial color:Grey Bezel material:Brass Bezel function:Calendar Calendar:Date Special features:waterproof, Calculator Movement:Japanese quartz Water resistant depth:99 Feet