Features: Fine Brushed And Polished Stainless Steel Case Fine Brushed And Polished Stainless Steel Bracelet Quartz Movement Sapphire Crystal Black Opalin Dial Chronograph Function Alarm Function Unidirectional Bezel With Engraved Numbers Luminous Hands And Markers Big Date Display At 6 O'clock Screw Down Crown Deployment Clasp 200M Water Resistance Approximate Case Diameter: 41mm Approximate Case Thickness: 11.6mm