Features: Case/Bezel Material: Resin Resin Band Quartz Movement Resin Glass/Spherical Glass Dual Time LED Light Afterglow Telememo Up to 30 Sets of Data World Time - 29 Time Zones Daily Alarms Hourly Time Signal Full Auto-Calendar(To Year 2099) Stopwatch Function Countdown Timer Regular Timekeeping Accuracy: ±30 Seconds Per Month 50M Water Resistance Approximate Size of Case: 46.8 × 40 × 13.5mm