Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: L888 21 Jewels Scratch Resistant Sapphire Crystal Sunray Black Dial Analog Display Power Reserve Upto 72 Hours Self Winding Mechanical Luminous Hands And Markers Date Display Screw Down Crown See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 41.00 mm Approximate Case Thickness: 10.90 mm Approximate Lug Width: 21.00 mm