Features: Stainless Steel Case Stainless Steel Bracelet Eco-Drive Movement Caliber: E111 Sapphire Crystal Black Dial Analog Display Power Reserve Up to 6 Month Luminous Hands And Markers Date Display Pull/Push Crown Solid Case Back Deployment Clasp 50M Water Resistance Approximate Case Diameter: 40.00 mm Approximate Case Thickness: 8.20mm