Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement Resin Crystal Blue Dial Analog Digital Display Dual Time 1/100 Second Stopwatch Daily Alarm Hourly Time Signal Automatic Calendar Day And Date Display 12/24 Hours Display AM/PM Display Accuracy: ±30 Seconds Per Month Screwed Case Back Deployment Clasp 30M Water Resistance Approximate Case Diameter: 30mm Approximate Case Thickness: 8mm