Features: Made In Japan Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 4R36 24 Jewels Hardlex Crystal Black Dial Luminous Hands And Markers One Way Rotating Elapsed Timing Bezel Day And Date Display Screwdown Crown And Case Back Deployment Clasp 200M Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 13mm