Main Features1. 100% Brand new with high quality 2. Five modes:timing function,second display function,month and date display function,week display picture and alarm function.3. Display year,month,date,hour,minute and second.(Year range:2000-2099) 3. Display system of 12 hours or 24 hours.4. Under any mode,press any key once to check time and illuminate LED for three seconds.5. Operating voltage:3.0V6. Four buttons to control different functions for convinence purpose 7. The waterproof depth is up to 30M8. Stainless steel case strap.