Old-fashioned pocket watches needed to be wound daily so they wouldn’t run down and lose time, due to the friction in the internal components. This required a large number of turns of the winding key, but not much force per turn, and it was possible to overwind and break the watch. How was the energy stored?
A small mass raised a long distance
A large mass raised a short distance
A weak spring deformed a long way
A strong spring deformed a short way