Features: Resin Case Resin Strap Mineral Crystal Quartz Movement Black Dial Analog Digital Display Double LED Light World Time 1/100 Second Stopwatch Countdown Timer Alarms Hourly Time Signal Hand Shift Feature Full Auto Calendar 12/24 Hours Display Luminous Hands Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 48mm Approximate Case Thickness: 12mm Approximate Lug Width: 25mm