Armitron Men's 20/4892BKTI Black Ionic-Plated Automatic Bracelet Watch 42mm black ionic-plated stainless steel case Black exhibition dial with silver-tone Arabic numerals at 3,6,9, and 12 Black ionic-plated adjustable link bracelet with fold-over double-push button safety clasp closure 48-hour power reserve automatic movement; watch winds automatically with the movement of your arm; requires no battery Water resistant to 165 feet (50 M): suitable for swimming and showering