Patek Philippe – Split-Seconds Chronograph (Grand Complication)

The Patek Philippe Ref. 5204G stands at the pinnacle of haute horlogerie, combining two of the most prestigious complications in watchmaking—a split-seconds chronograph (rattrapante) and a perpetual calendar—within a single, masterfully engineered timepiece. Crafted in 18K white gold, this Grand Complication embodies the brand’s uncompromising dedication to precision, craftsmanship, and timeless elegance.

Its striking olive green sunburst dial, enhanced by a subtle black-gradient rim, delivers a contemporary yet refined aesthetic. The dial architecture is both complex and harmonious, featuring dual apertures for day and month, a moon phase display with date indication, and multiple subdials for chronograph and seconds—each element meticulously arranged for clarity and balance.

At the heart of the watch lies the manually wound Caliber CHR 29-535 PS Q, a movement composed of 496 individual components and incorporating multiple patented innovations. This exceptional mechanism integrates a split-seconds chronograph with a perpetual calendar, capable of automatically adjusting for varying month lengths and leap years—requiring no manual correction for decades.

The split-seconds function allows simultaneous timing of multiple events, with one chronograph hand able to pause independently while the other continues—a hallmark of advanced mechanical watchmaking.

Encased in a 40mm fully polished white gold case, the watch offers a perfect balance between presence and wearability. A sapphire crystal caseback reveals the beautifully hand-finished movement, showcasing traditional Geneva watchmaking techniques and the prestigious Patek Philippe Seal.

Paired with a hand-stitched olive green calfskin strap and white gold fold-over clasp, the Ref. 5204G is as luxurious in comfort as it is in design—making it a true collector’s masterpiece.

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⚙️ Key Features

• Model: 5204G-001
• Collection: Grand Complications
• Case: 18K White Gold, 40mm
• Dial: Olive green sunburst with black-gradient rim
• Movement: Manual-winding Caliber CHR 29-535 PS Q
• Power Reserve: ~55–65 hours

Complications:

• Split-seconds chronograph (rattrapante)
• Perpetual calendar
• Moon phase display
• Day, date, month, leap year & day/night indication
• Small seconds & 30-minute chronograph counter