Features: Two Tone Stainless Steel Case Stainless Steel Bracelet Quartz Movement Caliber: 8T63 Hardlex Crystal White Dial Analog Display Tachymeter Scale Chronograph Function 12/24 Hours Display Luminous Hands And Markers Date Display Screwed Case Back Deployment Clasp 100M Water Resistance Approximate Case Diameter: 39.80 mm Approximate Case Thickness: 11.60 mm