Why do some discontinued Rolex models sell for more than their original retail...

https://weekly-wiki.win/index.php/What_Happened_on_September_1,_2020,_with_the_Rolex_Hulk%3F

Why do some discontinued Rolex models sell for more than their original retail price? Take the Kermit 16610LV or the Oysterquartz, which had fewer than 25,000 units made—scarcity plays a big role. Then there’s the story behind the $17