316L Surgical-Quality Stainless Steel Case with a Japanese Quartz Movement and a Full-Function Chronograph. Features a Non-Glare Scratch Resistant Mineral Crystal, Carbon Fiber Pattern Dial, and Logo-Engraved Stainless Steel Caseback. Includes a Uni-Directional Rotating Carbon Fiber Bezel and a Genuine Leather Carbon Fiber Pattern Strap with a Logo-Engraved Stainless Steel Clasp. Luminous Hands and a Magnified Date Display with a 24-Hour Sub-Dial. Case measures 45mm in diameter and offers 10 ATM Water Resistance.