Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: F6F44 24 Jewels Sapphire Crystal Champagne Dial Analog Display Power Reserve Up to 50 Hours Skeleton Dial 21,600 Vibrations/Hour Power Reserve Indicator Luminous Hands And Markers See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 41.00 mm Approximate Case Thickness: 12.00 mm Approximate Lug Width: 21.00 mm nbsp;