Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: NH35A 24 Jewels Mineral Crystal Black Dial Analog Display Uni Directional Rotating Black And Red Bezel Luminous Hands And Markers Screw Down Crown Screwed Case Back Deployment Clasp 200M Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 15mm