Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: H-10 25 Jewels Sapphire Crystal Blue Dial Analog Display Power Reserve Up to 80 Hours Luminous Hands And Markers Screw Down Crown See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 38.00 mm Approximate Case Thickness: 11.47 mm Approximate Lug Width: 20.00 mm