Features: Case / Bezel Material: Resin Resin Strap Mineral Crystal Digital Display Shock Resistant Electro Luminescent Backlight Afterglow Flash Alert 1/100-Second Stopwatch Countdown Timer Multi-Function Alarm Hourly Time Signal Full Auto-Calendar (To Year 2039) 12/24-Hour Format Regular Timekeeping Accuracy: ±15 Seconds Per Month Solid Case Back Buckle Clasp 200M Water Resistance Approximate Size Of Case : 48.9 x 42.8 x 13.4mm