Stuhrling Original Men's Automatic Stainless Steel and Leather Dress Watch, Color:Black (Model: 97BB.331516) Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Reliable automatic-self-wind movement 22 jewels Regulator configuration with master calendar; hours, minutes, Seconds, with day, date, month and military time indication Krysterna scratch resistant crystal Water resistant to 165 feet (50 M): suitable for swimming and showering