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PATEK PHILIPPE ANNUAL CALENDAR CHRONOGRAPH – Ref. 5905R-001 – 18k Rose Gold – Full Set – 2021 – Excellent Condition

We are delighted to present this exquisite Patek Philippe Annual Calendar Chronograph Ref. 5905R-001, crafted in 18k rose gold and paired with a rich brown alligator leather strap and matching rose gold folding clasp.

Combining two of Patek Philippe’s most celebrated complications — the annual calendar and the flyback chronograph — the Ref. 5905R stands as a modern masterpiece of technical sophistication and refined aesthetics.

The 42mm rose gold case offers a contemporary yet perfectly balanced presence on the wrist, featuring beautifully sculpted lugs and a polished finish that radiates warmth and elegance.

Its stunning sunburst brown dial transitions gracefully to black toward the periphery, enhancing depth and legibility. The dial layout is superbly symmetrical: the day, date, and month apertures are displayed along the upper arc, while the 60-minute chronograph counter occupies the lower register — a hallmark of Patek Philippe’s meticulous sense of proportion.

At the heart of the 5905R beats the self-winding Caliber CH 28-520 QA 24H, an in-house movement visible through the sapphire crystal caseback. It combines a traditional column wheel with a vertical clutch system, ensuring precise chronograph operation and seamless start-stop functionality. The movement also houses Patek’s ingenious Annual Calendar mechanism, requiring adjustment only once per year, at the end of February.

This example is offered in Excellent condition and comes as a Full Set, including:

- Original Patek Philippe presentation box

- Certificate of Origin / Warranty papers (dated 2021)

- Instruction manual and booklet

- Leather document wallet

"A modern icon of high horology, the Patek Philippe 5905R embodies the brand’s unmatched mastery of design and mechanical ingenuity — a timepiece that harmoniously bridges classic elegance and contemporary innovation."