Seiko 5 Sports Automatic Caliber 7S36  Stainless Steel Case with black rubber strap Day/Date Display Lumbrite Hands and Markers Uni Directional Rotating Bezel-anodised Hardlex Mineral Crystal Screw Down Case Back Black Dial Water Resistant - 100m Case Diameter 44mm Case Thickness 12mm 31-20N525138-T2