Stuhrling Original Men's Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: 102AA.33151) Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Reliable automatic-self-wind movement 22 jewels Genuine mother of pearl dial, day and date indicators with hours, minutes and seconds Krysterna scratch resistant crystal Water resistant to 165 feet (50 M): suitable for swimming and showering