Seiko Women's SUAG30 Seiko 5 Automatic Black Dial Gold-Tone Stainless-Steel Watch Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Functions without a battery; Powers automatically with the movement of your arms Strong Hardlex crystal protects case from scratches and scrapes Silver gold plated 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