Features: Stainless Steel Case Nylon Strap Quartz Movement Caliber: 8T63 Hardlex Crystal Grey Dial Analog Display Chronograph Function Tachymeter Scale Luminous Hands And Markers Date Display 12/24 Hours Display Screwed Case Back Buckle Clasp 100m Water Resistance Approximate Case Diameter: 41mm Approximate Case Thickness: 12mm Approximate Lug Width: 22mm