Features: Made In Japan Gold Tone Stainless Steel Case Silicone/Polyurethane Strap Automatic Movement Caliber: 4R36 24 Jewels Black Dial Luminous Hands And Markers Unidirectional Rotating Bezel Power Reserve Day And Date Display Screw Down Crown Solid Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 51.7mm Approximate Case Thickness: 13mm