How do you write 'i would like to buy a watch' in Korean polite informal way?

In Korean, you can say "시계를 사고 싶어요" (sigyereul sago sipeoyo) to express "I would like to buy a watch" in a polite informal way. Here, "시계" (sigye) means "watch," "사고" (sago) means "to buy," and "싶어요" (sipeoyo) conveys the desire to do something.