Seiko Men's SNZB24 Seiko 5 Automatic White Dial Two-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 Silver gold plated case; white dial; day-and-date functions Case diameter: 43.3 mm Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion