Features: Stainless Steel Case Rubber Strap Automatic Movement Caliber: 733, Base SW 200-1 Sapphire Crystal 26 Jewels Black Dial Analog Display Power Reserve Luminous Hands And Markers Date Display Uni-Directional Rotating Bezel Screw Down Crown See Through Case Back Deployment Clasp 300M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 13mm