Description

The present reference is the Patek Philippe Grand Complications Split-Seconds Chronograph Perpetual Calendar ref. 5204G-010, an extraordinary demonstration of high horology that unites two of watchmaking’s most demanding mechanical systems into a contemporary, sporting aesthetic.

Cased in fully polished 18k white gold, the case measures 40 mm in diameter and 14.3 mm in thickness, featuring refined two-tier lugs, a concave bezel, and seamlessly integrated chronograph pushers, with the co-axial rattrapante pusher positioned within the winding crown. Water-resistant to 30 metres, the case provides a clean, architectural frame for the mechanical complexity within.

The dial is rendered in a rich navy blue sunburst, framed by an outer white tachymeter scale. Double apertures at 12 o’clock indicate the day and month, while the date and moon phases share a sub-dial at 6 o’clock, flanked by small circular apertures for day/night and leap-year indications. Running seconds sit at 9 o’clock, balanced by an instantaneous 30-minute counter at 3 o’clock. A striking vivid red central split-seconds hand delivers immediate visual separation from the white-gold chronograph seconds hand, lending the watch an assertive, instrument-inspired character.

Powering the timepiece is the manufacture Calibre CHR 29-535 PS Q, a manually wound movement composed of 496 components incorporating seven patented innovations. Built on a traditional column-wheel and horizontal-clutch architecture, it eliminates hand shudder upon engagement and features an isolated split-seconds mechanism that prevents friction-induced amplitude drop. The movement is finished to the uncompromising standards of the Patek Philippe Seal and is visible through the interchangeable sapphire-crystal display back.

Fitted on a navy blue calfskin strap embossed with a fabric pattern and contrasting red stitching—secured by a patented white gold fold-over clasp—the reference 5204G-010 stands as one of Patek Philippe’s most dynamic Grand Complications, effortlessly bridging the worlds of supreme mechanical mastery and modern sporting elegance.

Patek Philippe – Bio

Patek Philippe & Co. was founded in 1839, located in Geneva and the Vallée de Joux. It designs and manufactures timepieces and movements, including some of the most complicated mechanical watches. It is considered by many experts and aficionados to be one of the most prestigious watch manufacturers.
In 1868, Patek Philippe made their first wristwatch, which was sold on November 13, 1876 to the Hungarian Countess.
It is the last independent, family-owned Genevan watch manufacture with uninterrupted operating history spanning nearly 180 years.