Brand, Seller, or Collection Name:Seiko Model number:CA56-1 Part Number:19614 Item Shape:rectangle Dial window material type:Plastic Display Type:Digital Clasp:Fold-over-clasp Case material:Stainless steel Case diameter:30 millimeters Case Thickness:13 millimeters Band Material:Resin Band length:Men's Standard Band width:23 millimeters Band Color:BLACK Dial color:Grey Bezel material:Resin Calendar:Day and date Special features:Calculator Item weight:4.54 Grams Movement:Quartz Water resistant depth:30 Meters