Patek Philippe is reaching greater heights with the release of its latest uninterrupted calendar model. The haute horlogerie, Réf. 5270, is integral with a unique column wheel chronograph movement.

The day and month appear in a double window at 12 o’clock, with a hand demonstrating the date around the moon phase. The leap year is shown in a small round window at 4:30 opposite a matching window for the day and night display at 7:30.

Known for the brand’s grand complications, it has two interchangeable backs, one in sapphire crystal which reveals the intricacy of the movement and the elegance of its finishing, while the other, a white gold solid back that can be custom-made to have a dedication or an engraving.

The sleek strap comes in a Matt noir that’s hand-stitched and includes a leather gator square-scale with 18k white gold folding clasp.

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