The reference 725/4 represents one of Patek Philippe’s most captivating interpretations of the perpetual calendar, showcasing the Maison’s ability to merge mechanical ingenuity with serene, architectural beauty. Conceived during the golden age of the Geneva manufacture, this extraordinary complication embodies the refined intellectual rigor for which Patek Philippe is celebrated, all the while presenting itself in a case of perfect classical restraint.

Housed in a generous 46 mm yellow gold case of pleasing weight and balance, the watch reveals a silvered dial whose pure surface is pierced only by elements of remarkable sophistication: applied gold hour markers, crisp dauphine hands, the elegant moon-phase aperture, and above all, the mesmerizing linear digital perpetual calendar, a complication produced in exceedingly small numbers and cherished for its unusual display of temporal order. Each aperture opens like a window onto the passage of time, offering a mechanical poetry rarely equaled in pocket watch production.

The overall composition is one of equilibrium and quiet majesty. The dial is not merely functional; it is contemplative, a demonstration of how Patek Philippe turns complications into art. The manually wound movement beneath, finished to the exacting standards of the period, carries the spirit of the mid-twentieth century ateliers, where skill, intuition and handcraft remained the absolute measure of excellence.
Accompanied by a Patek Philippe Extract from the Archives confirming production of the present watch in 1956 and its sale on 13 January 1981.

Highly sought after by collectors of the most refined taste, the reference 725/4 stands today as a testament to Patek Philippe’s mastery in both aesthetics and technical invention. It is more than a timekeeper, it is the embodiment of an era, a miniature architectural creation, and a rare opportunity to acquire one of the manufacture’s most intellectually elegant perpetual calendar pocket watches.