Features: Stainless Steel Case Leather Strap Automatic Movement Caliber: L888 Scratch-resistant Sapphire Crystal With Several Layers Of Anti-Reflective Coating On The Underside Blue Dial Analog Display Power Reserve Up To 72 Hours Luminous Hands And Markers Date Display Screw In Crown Solid Case Back Buckle Clasp 300M Water Resistance Approximate Case Diameter: 42.00 mm Approximate Case Thickness: 12.70 mm Approximate Lug Width: 22.00 mm