Features: Carbon Composite Case Bio-Based Resin Strap Quartz Movement Mineral Crystal White Dial Analog Digital Display Shock Resistant Neobrite World Time 1/100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Double LED Light Full Auto Calendar Button Operation Tone On/Off Regular Timekeeping 12/24 Hours Display Luminous Hands Month, Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Size (L x W x H): 48.5 x 45.4 x 11.8 mm Approximate Case Diameter: 45.40 mm Approximate Case Thickness: 11.80 mm