Have you watched Episode 4 of Game of Thrones this season? Don't worry, we're not going to spill any spoilers, but if you've seen the episode, did you happen to catch this mistake in the costuming?
When Littlefinger is talking to the Lord of the Eyrie, Robin Arryn, he gets a little bit cocky. So cocky, in fact, that he doesn't even notice this little slip up. Luckily, a few observant people on Twitter did...
Watches aren't super in line with medieval period dress, so we've got two theories: either Baelish is a time-traveller with powers like Bran, OR he was rushing to get dressed in the morning. That, or the creators of the show put it in there just to check if we were paying attention.
Keep a close eye out for other funny slip ups...
