[mschuster91]

> The most expensive watches are expensive for reasons of fashion while being inferior in terms of functionality.

... and for reasons of money laundering and tax evasion, similar to artwork but even better suited. No customs official anywhere will flag and interrogate you about the watch on your wrist, the younger ones probably won't even know if you're having a watch worth six figures on your wrist or some cheap knockoff.

[titanomachy]

I don’t know why you’re being downvoted. Any dense, non-perishable store of value will be eventually used in this way.