Resin Case Resin Strap Quartz Movement Mineral Crystal Analog Digital Display Shock Resistant Neobrite Double LED Light Dual Time 1/100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Automatic Calendar Day And Date Display 12/24 Hours Display AM/PM Display Accuracy: ±15 Seconds Per Month Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 49mm Approximate Case Thickness: 15mm