Invicta Women's 21533SYB Pro Diver Analog Display Swiss Quartz Gold-Plated Watch Round watch with crystal-accented rotating bezel featuring luminous hands and magnified date window 40 mm 18k gold ion-plated stainless steel case with mineral dial window Swiss quartz movement with analog display 18k gold ion-plated stainless steel band with 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