Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Caliber: 5579 Mineral Crystal Black Dial Analog Display Chronograph Function 1/10 Second Stopwatch Regular Timekeeping Date Display Screwed Case Back Deployment Clasp 100m Water Resistance Approximate Case Diameter: 48mm Approximate Case Thickness: 12mm Approximate Lug Width: 24mm