Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: H-10 25 Jewels Sapphire Crystal Black Dial Analog Display Power Reserve Upto 80 Hours Luminous Hands And Markers Bidirectional Rotating Bezel Screw Down Crown See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 37.00 mm Approximate Case Thickness: 11.45 mm Approximate Lug Width: 20.00 mm nbsp;