A watch part is an essential component of a watch. The STRAP is the band that wraps around the WRIST and holds the watch in place. The bezel is the metal ring that surrounds the watch FACE. The CRYSTAL is the transparent cover that protects the DIAL from dust and moisture. The wristband is the material that makes up the STRAP. The DIAL is the FACE of the watch that displays the time. The HAND is the pointer that indicates the time on the DIAL. The STEM is the part of the watch that is used to wind and set the time. The fob is a small ornament attached to the watch. The FACE is the front of the watch where the DIAL is located. The GEAR is the wheel that transmits power from the STEM to the hands. The ESCAPEMENT is the mechanism that regulates the speed of the GEAR. The JEWEL is a small bearing that reduces friction in the ESCAPEMENT. The WRIST is the part of the body where the watch is worn. The coiled spring is the part of the watch that stores energy. The hairspring is a thin spiral spring that helps regulate the movement of the watch. The balance spring is a flat spiral spring that helps regulate the speed of the watch.