I think it's not worth the risk wearing a Patek with a short sleeve whilst walking on the streets, as I mentioned earlier - a friend of mine has been left with a horrific life changing injury for a Rolex. He was "Spotted" whilst he was in the smoking section of a restaurant.
Here is another example:
https://www.standard.co.uk/news/crim...i-b946765.html
I wear my PP but long sleeves on the street, but am comfortable in most restaurants with short sleeves.