No it was probably a typo or the seller wanted to get some attention, but since then the seller updated the price on it!

https://www.chrono24.lu/audemarspiguet/audemars-piguet-royal-oak-full-steel-black-dial-self-winding-41mm-watch-15400stoo1220st01a--id7182817.htm

At the same time u can get some Pateks for 2-4 million € and there is still the vintage market where some special pieces go crazy. Like the Paul Newman Daytona for 17 million USD or Eric Clapton's Patek for 3.65 million USD