Patek Philippe 5235R-001 introduces a regulator style display, separating hours, minutes, and seconds across distinct axes for enhanced precision reading. The annual calendar function is integrated into this layout, presenting day, date, and month within a structured dial design. The watch is powered by the Caliber 31-260 REG QA, a high performance movement featuring a Pulsomax escapement and Silinvar components, engineered to improve efficiency and reduce friction.

This movement operates at a higher frequency compared to traditional Patek Philippe calibers, contributing to improved timekeeping stability. The regulator configuration allows for more accurate minute reading, aligning with the watch’s precision-focused design philosophy. The rose gold case adds contrast to the technical dial layout, balancing mechanical innovation with traditional materials. The 5235R-001 stands apart through its unique display system and advanced movement architecture.

Patek Philippe Annual Calendar Regulator Ref. 5235/50R-001

Your catalogue reference: 5235R-001
Patek Philippe official reference: 5235/50R-001
Model: Annual Calendar Regulator
Collection: Complications
Case Material: 18K rose gold
Case Diameter: 40.5 mm
Case Thickness: 10 mm
Crystal: Sapphire crystal
Case Back: Sapphire-crystal display back
Water Resistance: 30 m

Dial: Two-tone graphite and ebony-black dial with vertical satin finishing and white transfer-printed indications. The regulator-style layout separates the time display into individual zones: a central sweep minute hand, an hour subdial and a small-seconds subdial. The annual calendar displays the day, date and month through apertures.

Movement: Patek Philippe Calibre 31-260 REG QA
Movement Type: Self-winding mechanical
Movement Diameter: 33 mm
Movement Thickness: 5.08 mm
Number of Components: 313
Number of Jewels: 31
Power Reserve: 38–48 hours
Winding Rotor: 22K gold off-center mini-rotor
Balance: Gyromax®
Balance Spring: Spiromax®
Frequency: 23,040 semi-oscillations/hour (3.2 Hz)
Quality Seal: Patek Philippe Seal

Advanced Research Technology: The movement incorporates Patek Philippe Advanced Research technologies, including the Pulsomax® escapement and Spiromax® balance spring in Silinvar®.

Functions: Regulator-style hours, central minutes and small seconds; annual calendar with day, date and month indications.

Strap: Hand-stitched matte-black alligator leather with square scales
Buckle: 18K rose-gold prong buckle engraved with “Patek Philippe.”

Alternative References & Configurations

The 5235 family has two principal production generations/configurations:

* 5235G-001 — 18K white gold; silver/gray regulator-style dial; Calibre 31-260 REG QA; 40.5 mm case. Produced approximately 2012–2019.
* 5235/50R-001 — 18K rose gold; graphite and ebony-black two-tone dial; Calibre 31-260 REG QA; 40.5 mm case. Primary configuration.

Reference distinction: The rose-gold 5235/50R-001 retains the distinctive regulator architecture and 31-260 REG QA movement of the earlier white-gold 5235G-001, while substantially changing the exterior execution to rose gold and the graphite/ebony-black dial.