Features: Stainless Steel Case Silicone Strap Automatic Movement Caliber: 4R36 24 Jewels Hardlex Crystal Black Dial Analog Display Luminous Hands And Markers Day And Date Display Uni Directional Rotating Bezel Screw Down Crown See Through Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 42mm Approximate Case Thickness: 13mm