Features: Stainless Steel Case Rubber Strap Automatic Movement Caliber: L888 Scratch-Resistant Sapphire Crystal Sunray Blue Dial Analog Display Power Reserve Up to 72 Hours Self-Winding Mechanical Double Safety Folding Clasp Luminous Hands And Markers Date Display Unidirectional Rotating Bezel Screw In Crown Screwed Case Back Buckle Clasp 300M Water Resistance Approximate Case Diameter: 41.00 mm Approximate Case Thickness: 11.90 mm Approximate Lug Width: 21.00 mm