Patek Philippe Annual Calendar Ref. 5035J – A Horological Milestone

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Crafted in radiant 18K yellow gold, the Patek Philippe 5035J features a refined 37 mm case with an elegantly slim profile of just 11 mm thick, delivering both presence and poise

Ingenious Annual Calendar Mechanism

• Released in 1996, this model marks the first annual calendar wristwatch, a groundbreaking innovation by Patek Philippe at Baselworld that redefined watchmaking accessibility

• The clever calendar complication only needs adjustment once a year—on March 1st—skipping through the shorter months effortlessly while distinguishing itself from more complex perpetual calendars

• At its heart lies the calibre 315 S QA, a finely tuned automatic movement beating at 21,600 vibrations per hour, visible through the exhibition case back

Balanced and Legible Dial

• Unlike typical perpetual calendars, the 5035J employs elegantly placed windows: day at 9 o’clock, month at 3 o’clock, and a date aperture at 6 o’clock, creating an understatedly refined aesthetic .

• Hands and Roman hour markers are fashioned from 18K yellow gold infused with luminous material, offering excellent readability—even in low light—and a rare feature for a dress complication

Heritage and Originality

• The example featured is especially noteworthy: unpolished, with the original box, papers, wallet, and even the purchase receipt—a testament to its authenticity and collector appeal

In Summary:

The Patek Philippe 5035J stands at the crossroads of innovation, craftsmanship, and elegant restraint. It isn’t just a watch—it’s the birth of Patek's annual calendar legacy, offering practical complexity in a refined, wearable form. Whether you're a seasoned collector or stepping into high horology, the 5035J remains a historical and stylish choice.