About the Patek Philippe Nautilus Annual Calendar
The Patek Philippe Nautilus, introduced in 1976 and designed by Gerald Genta, is one of the most recognizable luxury sport watches ever made, distinguished by its porthole-shaped case and horizontally embossed dial. The reference 5726 elevated the Nautilus into grand complication territory by adding the annual calendar and moon phase to the integrated steel bracelet silhouette, making it a rare fusion of sporty aesthetics and horological sophistication. Available in dial variants including blue and black, the 5726/1A in stainless steel has become one of the most sought-after Patek Philippe references on both the primary and secondary markets, commanding strong collector interest worldwide.
What to Look For
When comparing 5726/1A examples, pay close attention to dial color, as the blue dial 5726/1A-014 and the black dial 5726/1A-001 carry different collector premiums and can vary meaningfully in market value. Condition, completeness of box and papers, and whether the piece is pre-owned or brand new are the primary value drivers for this reference, with full-set new examples typically commanding the highest prices.
Frequently Asked Questions
What is the difference between the Patek Philippe 5726/1A-014 and the 5726/1A-001?
The two references share the same 40.5 mm stainless steel Nautilus case, annual calendar, and moon phase complication, but differ in dial color: the 5726/1A-014 features a blue dial while the 5726/1A-001 features a black dial. Both are fitted with an integrated steel bracelet and are highly collectible, though market demand and pricing can differ between the two variants.
How often does an annual calendar watch need to be corrected?
An annual calendar complication automatically accounts for months of 30 and 31 days, meaning it only needs one manual correction per year at the end of February to account for that shorter month. This makes it significantly more convenient than a simple date display, which requires correction up to seven times per year.
Are the Patek Philippe Nautilus annual calendar watches at Bizak and Co. authenticated?
Yes, every Patek Philippe Nautilus annual calendar watch offered by Bizak and Co. is fully authenticated before listing, whether it is a pre-owned 5726/1A or a brand new example. Each piece is inspected for authenticity and condition, and Bizak and Co. ships promptly so buyers can receive their purchase with confidence.
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Buy, trade, or sell. Contact Bizak & Co. for pricing and availability on any reference in this collection.
