Seiko Women's SUAG28 Goldtone Automatic Day-Date Watch Quality Japanese Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Hardlex crystal Case diameter: 26 mm Gold-tone-stainless-steel case; Black dial; Day-and-date functions Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion