Case / Bezel Material: Resin Stainless Steel Band Quartz Movement Resin Glass LED Light Auto Light Switch, Afterglow Data Bank Dual Time 8-Digit Calculator 1/100-Second Stopwatch 5 Multi-Function Alarms (With 1 Snooze Alarm) Hourly Time Signal Full Auto-Calendar (To Year 2099) Button Operation Tone On/Off Regular Timekeeping Accuracy: ±30 Seconds Per Month Adjustable Deployment Clasp Approximate Size Of Case: 46.5 X 33.1 X 8.7mm.