Patek Philippe Annual Calendar Regulator Display Rose Gold 5235/50R-001

Patek Philippe's Annual Calendar Regulator is reintroduced in rose gold, with a two-tone graphite and ebony-black dial with a vertical smooth finish.
The self-winding movement is renowned for its high-tech regulator, which includes a Pulsomax escapement and a Spiromax balance spring in Silinvar, both created by the 'Patek Philippe Advanced Research' department.