Features: Resin Case Resin Strap Quartz Movement Caliber: 5338 Mineral Crystal White Dial Analog Digital Display Shock Resistant Neobrite LED Light World Time 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Auto-Calendar Button Operation Tone On/Off Regular Timekeeping 12/24 Hours Display Luminous Hands Day, Date And Month Display Screwed Case Back Buckle Clasp 100m Water Resistance Approximate Case Diameter: 43.4mm Approximate Case Thickness: 15.8mm Approximate Lug Width : 14mm