2577R, Calatrava, Enamel Dial, Pink Gold green dial This early D-series example stands

This early D-series example stands out for its astonishing dial

Since Patek Philippe invented the Perpetual Calendar Chronograph in 1941

Tuscan dials are a laboriously hand-hammered finished with a vibrant galvanic blue

thanks to spending most of its life in a drawer

an aperture designed to conceal the date disc

2577R, Calatrava, Enamel Dial, Pink Gold green dial This early D-series example standsA ref. 2577 in pink gold, 1 of 4 examples known and the best preserved by some margin. The 2577 is an elusive and esoteric reference, with just twelve examples known in total. In addition to the 2526 and its successor the 3428, it is the third Calatrava to feature a grand feu enamel dial. With two thick layers and a silver base, the tone of this dial is a warm cream. Unlike the 2526, the 2577 is a manual calibre 10 200, which allows for a case just 7.