This is an alphabetical list of notable Punjabi singers. The study of timekeeping is known as horology. A pocket watch is designed for a person to carry in a pocket. A watch is a timepiece intended to be carried or worn by a person. Harjit harman free download. These vocal artists are from the Indian North America , Pakistani state of Punjab; some belong to the immigrant population living abroad in the United Kingdom Africa. It is designed to keep working despite the motions caused by the person' s activities. A wristwatch is designed to be worn around the wrist attached by a watch strap other type of bracelet.