Round sport watch featuring four-point design protection?? large buttons and display format?? as well as tide and moon-phase data</br>50 mm resin case with mineral dial window</br>Japanese quartz movement with digital display</br>Resin band with buckle closure</br>Water resistant to 200 m (660 ft): In general?? suitable for professional marine activity and serious surface water sports?? but not scuba diving</br><br/>http://www.amazon.com/gp/product/B00284ADDU