Patek Philippe · Family: Nautilus
The Patek Philippe Nautilus Annual Calendar 5726/1A-014 pairs the Nautilus line's sport-watch identity with an annual calendar and moon phase, in a 40.5mm steel case. It runs the in-house Calibre 324 S QA LU 24H/303, carrying the Patek Philippe Seal and up to 45 hours of power reserve. Cazador has no verified price observations yet. Its standout detail: the blue-to-black gradient dial, documented within this reference since 2019.
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The Nautilus Annual Calendar 5726 emerged as Patek Philippe's answer for combining Gérald Genta's sport-watch identity — designer of the original 1976 Nautilus — with one of the manufacture's most valued calendar complications, the annual calendar, which Patek first introduced in 1996 and which needs only a single manual correction per year, at the end of February.
The 40.5mm-wide, 11.3mm-thick case is slightly larger than the three-hand Nautilus 5711/1A, a difference that directly reflects the added bulk of the annual calendar and moon phase module built on top of the base caliber. The steel is finished with the polish-and-satin combination characteristic of the line, and the integrated bracelet reproduces the curved-link design Genta popularized.
This specific execution, with a lacquered blue-to-black gradient dial and applied gold markers and numerals, has been documented within the 5726/1A reference's catalog since 2019, following earlier generations that used other dial finishes. The gradient effect, which Patek Philippe popularized across several lines in the late 2010s, adds visual depth without altering the overall layout of the indications.
Inside is the Calibre 324 S QA LU 24H/303, an evolution of the manufacture's automatic Calibre 324 S with an added annual calendar, moon phase and 24-hour indication module. With 347 components and a 21k gold central rotor, it delivers between 35 and 45 hours of power reserve depending on wind state, and carries the Patek Philippe Seal, the manufacture's in-house certification that replaced the older Geneva Seal in 2009 and evaluates both the movement and the finished watch.
The 5726 adds an annual calendar with moon phase and 24-hour indication, which translates into a slightly larger case — 40.5mm versus 40mm — and thicker than the simple three-hand 5711/1A.
An annual calendar automatically tracks 30- and 31-day months but needs one manual correction a year, at the end of February. A perpetual calendar, more complex, also handles leap years without intervention.
It has been documented within this reference's catalog since 2019, as a dial variant within the Nautilus Annual Calendar family.
Cazador has no verified price observations for this reference yet and does not publish estimates without its own data.
It's the manufacture's in-house quality certification, introduced in 2009 to replace the older Geneva Seal, evaluating both the movement and the fully assembled watch.
Between 35 and 45 hours, depending on the wind state of the 21k gold central rotor.
Yes, up to 120 meters, lower than the three-hand sport Nautilus but consistent with the rest of the calendar-complication family.