Levis stores is Pak. have three types of jeans,
One is local made with the name Denizen for around 2.5-3k
Then there is Levis branded local made for 4-6k a pair,
Then there is imported pairs of jeans at around 8k or more. Furthermore 501,502,511 etc are types of fittings for levis jeans and have very little/nothing to do with price, both the local made and imported jeans are available in these various fittings.