Invicta Men's Excursion 15329 Yellow gold ion-plated watch featuring blue sunray dial with bold indicies and second, minute, and day subdials 50 mm stainless steel case with synthetic sapphire dial window Swiss quartz movement with analog display Stainless steel band featuring dimentional center links and fold-over clasp with safety Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.