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