Features: Stainless Steel Case Leather Strap Automatic Movement Caliber: H-40 Sapphire Crystal 25 Jewels Black Dial Power Reserve Analog Display Luminous Hands And Markers Day And Date Display 12/24 Hours Display Pull/Push Crown See Through Case Back Buckle Clasp 50M Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 11mm Approximate Lug width: 20mm