Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Caliber: ETA G10.212 Sapphire Crystal Chronograph Function Blue Dial Analog Display Date Display Uni Directional Rotating Bezel Luminous Hands And Markers Screwed Case Back Deployment Clasp 300M Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 13mm Approximate Lug Width: 22mm