Features: Resin Case Resin Strap Quartz Movement Mineral Crystal Black Dial Analog Digital Display Shock Resistant Carbon Core Guard Structure Double LED Light World Time 1/100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Auto Calendar Regular Timekeeping Luminous Hands And Markers Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 49mm Approximate Case Thickness: 14mm