Features: Stainless Steel Case Nylon Strap Automatic Movement Caliber: 7S26 21 Jewels Hardlex Crystal Black Dial Analog Display Luminous Hands And Markers Day And Date Display Uni Directional Rotating Bezel Screw Down Crown Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 43mm Approximate Case Thickness: 13mm