Features: Stainless Steel Case Black Leather Strap Quartz Movement Mineral Crystal Black Dial Roman Numerals Luminescent Hands And Markers Chronograph 3 Sub Dials: 60 Sec, 30 Min And 24 Hrs Pull / Push Crown Solid Case Back Buckle Clasp 50M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 12mm