Features: Case / Bezel Material: Resin Resin Band Quartz Movement Resin Glass / Spherical Glass LED Light With Afterglow Dual Time Daily Alarm 1/100 Second Digital Stopwatch Hourly Time Signal Auto Calendar Accuracy: +/-20 Seconds Per Month Buckle Clasp 50M Water Resistance Size Of Case: 37.9 X 34.9 X 11.9mm