Resin Case Resin Strap Shock Resistant Digital Display Quartz Movement Module 3194 Flash Alert Backlight Auto EL Backlight with Afterglow Auto-Calendar World Time Time Zone 29 times zones 4 Multi-function Alarms and 1 Snooze Alarm 12/24-Hour Formats Countdown Timer Hourly Time Signal Accuracy +/- 15 seconds per month Button Operation Tone onn/off Water Resistant 200M Approx. Size 50mm Approx. Thickness 15mm