Patek Philippe Complications Annual Calendar Gray & Black Dial Rose Gold Case Leather Strap 40.5 mm 5235/50R-001

Patek Philippe revisits the unique style of its Annual Calendar Regulator by presenting it in rose gold, paired with a two-tone dial in graphite and ebony-black with a vertical satin finish.

The caliber 31-260 REG QA self-winding movement, designed specially for this model, is notable for its high-tech regulator, incorporating a Pulsomax^® escapement and a Spiromax^® balance spring in Silinvar^® – both developed by the “Patek Philippe Advanced Research” department.