Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Mineral Crystal Black Dial Analog Display Chronograph Function 1/10 Second Stopwatch Approx. Battery Life: 2 Years On SR920SW Regular Timekeeping Luminous Hands And Markers Date Display Screwed Case Back Deployment Clasp 100m Water Resistance Approximate Case Diameter: 43.3mm Approximate Case Thickness: 10.8mm nbsp;