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Condition: Like New & Unworn

Accessories: Original Box & Original Papers

Ref No: 5726A-001

The Patek Philippe Nautilus sits in one of the strongest categories of modern Patek collecting: a stainless steel Nautilus with genuine everyday practicality. Presented in steel with a black-gradient dial, this reference brings the sport elegance of the Nautilus into a more complicated and thoughtful expression. Its annual calendar, moon phases, 24-hour indication, and day/date/month display give it real usefulness without overwhelming the clean architecture of the dial. For the collector who wants a Nautilus with more substance than a time-and-date piece, the 5726A-001 plays an important role. It is refined enough for formal settings, capable enough for daily wear, and distinctive in a way that feels considered rather than obvious.

Condition

This timepiece is presented in new and unworn condition and exceeds the Watches of Charlotte standard for quality, presentation, and overall condition. It has been carefully evaluated with the level of scrutiny we apply to every piece we are willing to stand behind, giving the next collector added confidence in both its condition and presentation.

Functional Value

The annual calendar is one of Patek Philippe’s most practical complications. It accounts for months with 30 and 31 days, requiring only one manual correction per year, which makes this a genuinely useful complicated timepiece rather than a complication for display alone.

Design Significance

The 5726A-001 is compelling because it pairs the familiar Nautilus case profile with a more mature complication set. The black-gradient dial gives the watch depth and restraint, while the aperture layout keeps the annual calendar highly legible and balanced.

Versatility in Wear

This is a Nautilus that moves comfortably between business, travel, and evening settings. The steel case gives it durability and ease of wear, while the dial and complication layout keep it elevated without feeling overly formal.

Strategic Role in a Collection

Within a serious collection, the 5726A-001 can serve as the complicated Nautilus. It offers the recognizability and wearability collectors value in the model line, while adding a level of technical depth that makes it feel more intentional. For someone building beyond the expected steel sport watch, this is a wise and meaningful step.

Included

Patek Philippe Outer Box

Patek Philippe Lacquer Inner Box

Patek Philippe Certificate of Origin (dated 2025)

Patek Philippe Instruction Booklet
Patek Philippe Museum Pamphlet

Patek Philippe Leather Booklet Holder

Patek Philippe Pusher/Correction Tool