Features: Case/Bezel Material: Resin Resin Strap Quartz Movement Mineral Crystal Digital Display Chronograph Function LED Light 1/100-Second Stopwatch Daily Alarm Hourly Time Signal Auto-Calendar 12/24-Hour Display Regular Timekeeping Accuracy: ±30 Seconds Per Month Day And Date Display Solid Case Back Buckle Clasp Water Resistance Approximate Size Of Case: 38.2 x 35.2 x 8.5mm