Features: Resin Case Bio-Based Resin Strap Quartz Movement Mineral Crystal White Dial Analog Digital Display Shock Resistant Neobrite Dual Time 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Double Led Light Full Auto-Calendar Button Operation Tone On/Off Hand Shift Feature Regular Timekeeping 12/24 Hours Display Luminous Hands Month, Day And Date Display Screwed Case Back Buckle Clasp 100m Water Resistance Approximate Case Diameter: 41.8mm Approximate Case Thickness: 13.9mm