Round watch featuring corrugated unidirectional bezel luminous hands/markers and magnified date window at three o'clock</br>40 mm stainless steel case with mineral dial window</br>Japanese automatic movement with analog display</br>Also features stainless steel link bracelet with fold-over clasp and safety closure screw-down crown and exhibition caseback</br>Water resistant to 200 m (660 ft)</br></br>Amazon.com</br></br>Classic styling and high performance add up to an outstanding sport watch for your land or sea adventures. This automatic watch from Invicta's Pro Diver series places a large round stainless steel case on a robust triple link steel bracelet. The black dial is designed for quick and easy read-off even in low light conditions. It offers three-hand function with Tritnite-coated luminous hands and hour markers and a magnified date display at the three o'clock mark. The dial is capped with a resilient mineral crystal and framed by a black unidirectional rotating steel bezel with coin edge detailing. This watch is driven by Japanese automatic movement?? which is visible through the see-through skeleton case back. It is rated water resistant to a full 660 feet (200 meters). <p></p> <p><em><strong>Automatic Watches</strong></em><br /><br /><strong>Automatic watches do<em> </em>not operate on batteries.</strong> Automatic watches are made up of about 130 or more parts that work together to tell time. Automatic movements mark the passage of time by a series of gear mechanisms?? and are wound by the movement of your wrist as you wear it. The gear train then transmits the power to the escapement?? which distributes the impulses?? turning the balance wheel. The balance wheel is the time regulating organ of a mechanical watch?? which vibrates on a spiral hairspring. Lengthening or shortening the balance spring makes the balance wheel go faster or slower to advance or retard the watch. The travel of the balance wheel from one extreme to the other and back again is called oscillation.When this type of watch is removed fr