Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: 11 1/2''' 23 Jewels Sapphire Crystal With Anti-Reflective Coating Ice Blue Chameleon Dial Analog Display Power Reserve Up to 80 Hours Luminous Hands And Markers Date Display See Through Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 39.50 mm Approximate Case Thickness: 10.93 mm Approximate Lug Width: 12.00 mm