Patek Philippe
Nautilus 5726 Annual Calendar
5726A-001
The Nautilus refined — annual calendar complexity in integrated steel
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Overview
The Patek Philippe 5726A-001 brings the Nautilus line's signature integrated-bracelet architecture together with the practical sophistication of an annual calendar complication. Housed in a 40.5 mm stainless steel case, it presents a black gradient dial with the model's characteristic horizontal embossed pattern. The reference stands as one of the most technically accomplished expressions of the Nautilus family in steel.
History
The 5726 was introduced around 2010, extending the Nautilus collection beyond its sport-watch origins into the realm of calendar complications. The stainless steel 5726A variant — denoted by the "A" suffix — proved particularly sought-after among collectors who prized the combination of Gerald Genta's iconic case design with a genuinely useful perpetual-adjacent complication. The reference remained in production for well over a decade, cementing its place as a long-running pillar of the modern Nautilus catalogue before its discontinuation in 2024.
Notable points
- Powered by Calibre 324 S QA LU 24H, an automatic movement incorporating an annual calendar that requires correction only once per year, at the end of February.
- The 40.5 mm stainless steel case follows the Nautilus's distinctive octagonal bezel and integrated bracelet design first conceived by Gerald Genta in 1976.
- The black gradient dial features the horizontal embossed relief pattern — a hallmark of the Nautilus aesthetic — alongside subdials for day, date, month, moon phase, and a 24-hour indicator.
- The "A" designation in the reference number confirms the stainless steel case and bracelet, historically the most coveted material configuration within the Nautilus range.
- A production run spanning roughly 2010 to 2024 makes the 5726A-001 one of the longer-lived complication references in the contemporary Nautilus lineup.
Specifications
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