Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: L888 21 Jewels Sapphire Crystal Black Dial Analog Display Power Reserve Up To 72 Hours Luminous Hands And Markers Date Display Uni Directional Rotating Bezel Screw Down Crown Screwed Case Back Deployment Clasp 300m Water Resistance Approximate Case Diameter: 39mm Approximate Case Thickness: 12.2mm Approximate Lug Width : 19mm