Features: Resin Case Resin Strap Quartz Movement Caliber: 5679 Resin Crystal Black Dial Analog Digital Display World Time 1/100 Second Stopwatch Countdown Timer Daily Alarms Hourly Time Signal Regular Timekeeping Full Auto Calendar Luminous Hands And Markers 12/24 Hours Display Day And Date Display Screwed Case Back Buckle Clasp 100m Water Resistance Approximate Case Diameter: 52mm Approximate Case Thickness: 17mm Approximate Lug Width: 17mm