Features: Stainless Steel Case Stainless Steel Bracelet Eco-Drive Movement Caliber: H145 Sapphire Crystal Black Dial Analog Display Perpetual Calendar Atomic Timekeeping Radio Controlled World Time Luminous Hands And Markers Date Display Solid Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 43.00 mm Approximate Case Thickness: 9.80 mm nbsp;