Features: 316L Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 11 1/2''' Scratch-Resistant Sapphire Crystal With Antireflective Coating Grey Dial Analog Display Power Reserve Up to 80 Hours 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: 40.00 mm Approximate Case Thickness: 12.48 mm Approximate Lug Width: 20.00 mm