Features: Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber 16 21 Jewels Sapphire Crystal Anthracite Sunray/Grey Dial Chronograph Function Tachymeter Scale Luminous Hands And Markers Date Display Ceramic Fixed Bezel With Silver Tachymeter Scale Screw In Crown Deployment Clasp 200M Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 15mm