Features: Resin Case Resin Strap Quartz Movement Caliber: 3484 Mineral Crystal Grey Dial Digital Display World Time 1/100-Second Stopwatch Countdown Timer 5 Daily Or One-Time Alarms Hourly Time Signal LED Light Full Auto-Calendar Button Operation Tone On/Off Regular Timekeeping 12/24 Hours Display Month, Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 50.4mm Approximate Case Thickness: 13.5mm Approximate Lug Width : 18mm