Brand Name Citizen Model number NJ0159-86X Part Number NJ0159-86X Item Shape Round Dial window material type Sapphire Crystal Clasp Safety fold-over clasp Case material Alloy Steel Case diameter 40 millimetres Case Thickness 12 millimetres Band Material Stainless Steel Band width 20 Band Color Silver Dial color Green Calendar Date-Week Special features Second Hand Movement Mechanical (automatic) Display Type Analog