Patek Philippe 5205R-011 features a 40 mm rose gold case paired with a sunburst dial that emphasizes contrast and legibility across its calendar indications. The annual calendar is displayed through three apertures aligned across the top of the dial, indicating day, date, and month, while a moon phase and 24-hour subdial occupy the lower section. The watch is driven by the Caliber 324 S QA LU 24H/206, an automatic movement designed for consistent performance and smooth calendar advancement.

Mechanically, the movement is equipped with a high-frequency balance system and advanced silicon components to maintain long-term stability. The annual calendar mechanism simplifies ownership by requiring manual correction only once per year. The rose gold case enhances the watch’s warmth and presence, while its sculpted lugs and polished surfaces reflect contemporary Patek Philippe design language. This reference delivers a precise combination of user-friendly complication and refined mechanical execution.

Patek Philippe Annual Calendar Ref. 5205R-011

Model: Annual Calendar with Moon Phases
Reference: 5205R-011
Collection: Complications
Case Material: 18K rose gold
Case Diameter: 40 mm
Case Thickness: 11.36 mm
Case Construction: Polished case with recessed flanks, skeletonized lugs and concave bezel
Case Back: Sapphire-crystal display back
Water Resistance: 30 m

Dial: Olive-green sunburst with black-gradient rim, applied faceted rose-gold baton-style hour markers and faceted rose-gold Dauphine-style hands. Day, date and month are displayed through apertures along the upper arc; the 24-hour indication and moon phases are positioned at 6 o’clock.

Movement: Patek Philippe Calibre 26-330 S QA LU 24H
Movement Type: Self-winding mechanical
Movement Diameter: 32.6 mm
Movement Thickness: 5.8 mm
Number of Components: 339
Number of Jewels: 34
Power Reserve: 35–45 hours
Winding Rotor: 21K gold central rotor
Balance: Gyromax®
Balance Spring: Spiromax®
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Quality Seal: Patek Philippe Seal

Functions: Annual calendar, day, date, month, moon phases, 24-hour indication and central seconds. The Annual Calendar requires one manual correction per year, at the end of February.

Strap: Hand-stitched, square-scale alligator leather in a patinated two-tone olive-green finish
Buckle: 18K rose-gold prong buckle

Alternative References & Configurations

The rose-gold 5205 family includes three principal documented configurations:

* 5205R-001 — 18K rose gold; opaline white dial; dark-brown alligator strap; Calibre 324 S QA LU 24H/206.
* 5205R-010 — 18K rose gold; black lacquered dial; shiny black alligator strap; Calibre 324 S QA LU 24H/206.
* 5205R-011 — 18K rose gold; olive-green sunburst dial with black-gradient rim; two-tone olive-green hand-patinated alligator strap; Calibre 26-330 S QA LU 24H. Primary configuration above.

The corresponding white-gold family comprises 5205G-001, 5205G-010 and 5205G-013, providing the same broad Annual Calendar architecture in different case, dial and movement generations.

Reference distinction: Ref. 5205R-011 belongs to the newer generation of the 5205 and uses the 26-330 S QA LU 24H, whereas the earlier rose-gold references use the 324 S QA LU 24H/206.