Patek Philippe 5204R-011 is a highly sophisticated grand complication that combines a split-seconds chronograph with a perpetual calendar, housed in an elegant rose gold case. This configuration represents one of the most complex and technically demanding achievements in watchmaking, allowing the wearer to measure multiple time intervals simultaneously while maintaining full calendar functionality. Its dial is carefully designed to ensure clarity despite the depth of information displayed, reflecting Patek Philippe’s mastery in both engineering and aesthetics.

At its core, the 5204R is built for collectors who value mechanical complexity and exclusivity. The split-seconds mechanism, also known as a rattrapante, enables precise interval timing, a feature rarely executed at this level. Paired with the perpetual calendar, which requires no manual adjustment for decades, this timepiece offers a seamless blend of functionality and innovation. The rose gold case enhances its visual warmth, making it not only a technical instrument but also a statement of refined luxury and enduring significance.

Patek Philippe Split-Seconds Chronograph Perpetual Calendar Ref. 5204R-011

Model: Split-Seconds Chronograph Perpetual Calendar
Reference: 5204R-011
Collection: Grand Complications
Case Material: 18K rose gold
Case Diameter: 40 mm
Case Thickness: 14.3 mm
Water Resistance: 30 m
Crystal: Sapphire crystal
Case Back: Interchangeable solid and sapphire-crystal case backs

Dial: Slate-gray sunburst dial on an 18K gold dial plate, with applied rose-gold faceted hour markers and rose-gold Dauphine-style hands, both with luminous coating. Day and month are displayed through apertures at 12 o’clock; date and moon phase at 6 o’clock; small seconds at 9 o’clock; instantaneous 30-minute counter at 3 o’clock; leap-year and day/night indications through apertures.

Movement: Patek Philippe Calibre CHR 29-535 PS Q
Movement Type: Manually wound mechanical
Movement Diameter: 32 mm
Movement Thickness: 8.7 mm
Components: 496
Jewels: 34
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Power Reserve: 55–65 hours with chronograph disengaged
Balance: Gyromax®
Balance Spring: Breguet
Chronograph: Split-seconds mechanism with two column wheels and horizontal clutch
Hallmark: Patek Philippe Seal

Functions: Split-seconds chronograph, instantaneous 30-minute counter, perpetual calendar, day, date, month, leap-year and day/night indications, moon phases and small seconds.

Strap: Shiny slate-gray calfskin with embossed alligator pattern
Clasp: 18K rose-gold fold-over clasp

Reference Variations: The 5204 family is also documented in 5204R-001, featuring a silvered-opaline dial and chocolate-brown alligator strap, and 5204/1R, featuring an ebony-black opaline dial with an integrated rose-gold Goutte bracelet. The 5204R-011 is distinguished by its slate-gray sunburst dial and matching slate-gray strap.