Electric Unisex EW0120030069 ED01 Tide Digital Display Japanese Quartz Grey Watch Digital watch with retro rectangular dial featuring simple ride function, tide prediction, and moon phase functions 28 mm stainless steel case with acrylic dial window Japanese quartz movement with digital display Ribbed nylon band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving