Features: Stainless Steel Case Stainless Steel Bracelet Eco-Drive Movement Caliber: H500 Crystal Glass Black Dial Analog Display Tachymeter Scale Chronograph Function Without Radio Reception Function Overcharge Prevention Function 12/24 Hours Display Luminous Hands And Markers Date Display Screw Down Crown Solid Case Back Deployment Clasp 50m Water Resistance Approximate Case Diameter: 38mm Approximate Case Thickness: 9.5mm