A blog reader recently sent me these pictures. The first is a pair of rarely seen Patek 5016 grandes complications in rose gold and platinum, both with black dials. But where are they?

Patek Philippe 5016R and 5016P

The second photo reveals the location – Patek Philippe itself. A group of collectors went there to visit.

Patek Philippe 3970P

Thanks for the contribution. – SJX