Cracks in the crystal let in dust and moisture, which may harm the internal components, so seek the expertise of a jeweler to replace the crystal as soon as possible. For a watch with a winding mechanism, remove it from the wrist and wind it at the same time each day, in a clockwise direction. For battery watches, replace dead batteries immediately to avoid corrosion. To clean a watch, wipe with a damp cloth, and then dry thoroughly. In early 2008, Jewelry returned to the music scene with their new members Baby J and Eunjung with the release of their …