Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 8210 21 Jewels Mineral Crystal Green Dial Analog Display Power Reserve Up to 42 Hours Luminous Hands And Markers Date Display Screw Down Crown See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 40.00 mm Approximate Case Thickness: 12.20 mm