Features: Resin Case Resin Strap Mineral Crystal Black Dial Analog Digital Display LED Light Hand Shift Feature World Time 1/100 Second Stopwatch Countdown Timer Alarms Hourly Time Signal Full Auto Calendar 12/24 Hours Display Luminous Hands Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 53mm Approximate Case Thickness: 17mm Approximate Lug Width: 30mm