Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Mineral Crystal Digital Display 1/10 Second Stopwatch Daily Alarm Hourly Time Signal LED Backlight Regular Timekeeping Auto Calendar 12/24 Hours Display Day And Date Display Solid Case Back Deployment Clasp 30m Water Resistance Approximate Case Diameter: 35mm Approximate Case Thickness: 9.1mm Â