{"title":"Patek Philippe Nautilus 5726\/1A-001","description":"\u003cstyle\u003e#shopify-section-template--22583264182507__blocks_QA7h4D,[id^=\"shopify-block-ANmNYMjBJeUtTbkU1L\"]{display:none!important;}\u003c\/style\u003e\n\u003cdiv class=\"collection-intro\"\u003e\u003cp\u003eThe Patek Philippe Nautilus 5726\/1A-001 is a stainless steel sports watch combining the iconic Nautilus porthole case with an annual calendar and moonphase complication on a striking black dial. This reference sits at the intersection of everyday wearability and high complication, offering day, date, and month display alongside a moonphase indicator — all in the Nautilus's signature horizontally embossed dial and integrated bracelet format. As one of the most sought-after complications in the Nautilus family, the 5726\/1A-001 commands strong collector attention and holds its value exceptionally well on the secondary market. Bizak and Co. carries authenticated pre-owned examples of this reference, inspected and ready to ship.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2\u003eAbout the Patek Philippe Nautilus 5726\/1A-001\u003c\/h2\u003e\n\u003cp\u003eDesigned by Gérald Genta and introduced in 1976, the Nautilus established Patek Philippe's presence in the luxury steel sports watch segment and remains one of the most recognizable silhouettes in horology. The 5726 reference extended that lineage by adding an annual calendar — a proprietary Patek Philippe complication requiring only one correction per year, at the end of February — as well as a moonphase display, elevating the Nautilus beyond a purely sport-oriented identity. The 5726\/1A-001 specifically pairs the steel case and integrated steel bracelet with a black dial, a combination widely regarded as the most versatile and collectible configuration of this reference. Its octagonal bezel with rounded edges and horizontal grooved dial remain faithful to the original Nautilus design language.\u003c\/p\u003e\n\u003ch2\u003eWhat to Look For\u003c\/h2\u003e\n\u003cp\u003eWhen shopping for a pre-owned Patek Philippe 5726\/1A-001, condition of the case and bracelet is paramount, as steel Nautilus pieces show wear on the polished and brushed surfaces over time, directly impacting value. Buyers should verify that the annual calendar and moonphase complication are functioning correctly and confirm that box and papers are present, as complete sets command a meaningful premium on the market.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat complications does the Patek Philippe 5726\/1A-001 have?\u003c\/summary\u003e\u003cp\u003eThe 5726\/1A-001 features an annual calendar displaying day, date, and month, along with a moonphase indicator — all integrated into the Nautilus dial. The annual calendar needs only one manual correction per year, making it highly practical for daily wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the 5726\/1A-001 still in production?\u003c\/summary\u003e\u003cp\u003ePatek Philippe has discontinued several Nautilus references over the years, and availability of the 5726\/1A-001 in steel is limited, making pre-owned examples highly desirable on the secondary market. Demand consistently outpaces supply, which supports strong resale values for well-preserved examples.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy buy a pre-owned Patek Philippe Nautilus 5726\/1A-001 from Bizak and Co.?\u003c\/summary\u003e\u003cp\u003eBizak and Co. specializes in authenticated pre-owned luxury watches and sources 5726\/1A-001 examples that have been carefully verified for authenticity and condition. Buying through a trusted dealer gives you access to professional expertise and the assurance that your watch is genuine and ready to wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003eBrowse also: \u003ca href=\"\/collections\/patek-philippe\"\u003ePatek Philippe collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuy, trade, or sell.\u003c\/strong\u003e Contact Bizak \u0026amp; Co. for pricing and availability on any reference in this collection.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What complications does the Patek Philippe 5726\/1A-001 have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 5726\/1A-001 features an annual calendar displaying day, date, and month, along with a moonphase indicator — all integrated into the Nautilus dial. The annual calendar needs only one manual correction per year, making it highly practical for daily wear.\"}},{\"@type\":\"Question\",\"name\":\"Is the 5726\/1A-001 still in production?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Patek Philippe has discontinued several Nautilus references over the years, and availability of the 5726\/1A-001 in steel is limited, making pre-owned examples highly desirable on the secondary market. Demand consistently outpaces supply, which supports strong resale values for well-preserved examples.\"}},{\"@type\":\"Question\",\"name\":\"Why buy a pre-owned Patek Philippe Nautilus 5726\/1A-001 from Bizak and Co.?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Bizak and Co. specializes in authenticated pre-owned luxury watches and sources 5726\/1A-001 examples that have been carefully verified for authenticity and condition. Buying through a trusted dealer gives you access to professional expertise and the assurance that your watch is genuine and ready to wear.\"}}]}\u003c\/script\u003e","products":[{"product_id":"patek-philippe-5726-1a-001-nautilus-annual-calendar-black-moonphase-steel-pre-owned","title":"Patek Philippe 5726\/1A-001 Nautilus Annual Calendar Black Moonphase Steel - PRE-OWNED","description":"\u003cp\u003eThe Patek Philippe Nautilus 5726\/1A-001 is a pre-owned 40.5mm stainless steel sports-luxury watch featuring an annual calendar, moonphase complication, black index dial, and the iconic domed stainless steel bezel on an integrated stainless steel bracelet. This reference sits at the pinnacle of the Nautilus family, blending Gerald Genta's legendary porthole-inspired case with one of horology's most practical complications.\u003c\/p\u003e\n\u003cp\u003eReference 5726\/1A-001 is among the most coveted Nautilus variants ever produced, commanding serious collector attention for its combination of wearable case size, all-steel construction, and grand-complication functionality at a single glance. Contact Bizak \u0026amp; Co. today to buy this pre-owned Patek Philippe Nautilus online or to request additional details and condition photos.\u003c\/p\u003e\n\u003cp\u003eCompare it across \u003ca href=\"\/collections\/patek-philippe-nautilus\"\u003eevery Nautilus reference we carry\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/patek-philippe\"\u003ePatek Philippe collection\u003c\/a\u003e at Bizak \u0026amp; Co.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuy this Nautilus, trade in your current watch, or sell us yours.\u003c\/strong\u003e Contact Bizak \u0026amp; Co. to make an offer or request a fair-market valuation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What makes the Patek Philippe Nautilus 5726\/1A-001 special?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 5726\/1A-001 combines the iconic Nautilus sports-watch design with a full annual calendar and moonphase complication — a pairing that is exceedingly rare in a 40.5mm stainless steel package. It represents the highest complication level routinely offered in the Nautilus line and is widely regarded as one of the most collectible references Patek Philippe produces.\"}},{\"@type\":\"Question\",\"name\":\"What movement powers the Nautilus 5726\/1A-001?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 5726\/1A-001 is powered by an in-house automatic (self-winding) movement developed and finished by Patek Philippe. The caliber drives the annual calendar complication, which correctly accounts for months of 30 and 31 days and requires only one manual correction per year, at the end of February.\"}},{\"@type\":\"Question\",\"name\":\"What is the case size of the Nautilus 5726\/1A-001?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The reference 5726\/1A-001 features a 40.5mm stainless steel case with a stainless steel domed bezel and an integrated stainless steel bracelet. This size offers a balanced, versatile wrist presence that suits a wide range of wrist sizes without feeling oversized.\"}},{\"@type\":\"Question\",\"name\":\"Is the Patek Philippe Nautilus 5726\/1A-001 suitable for everyday wear?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — the Nautilus was conceived as a luxury sports watch, and the 5726\/1A-001 in stainless steel is built for daily use. Its integrated bracelet, robust case, and practical annual calendar complication make it an excellent everyday companion as well as a serious collector's piece.\"}},{\"@type\":\"Question\",\"name\":\"What does the black index dial look like on the 5726\/1A-001?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The black index dial on the 5726\/1A-001 features Patek Philippe's horizontally embossed 'Clous de Paris' or horizontal stripe texture, which creates a subtle depth and shifts appearance in different lighting. Applied index hour markers and luminous hands provide legibility, while the annual calendar apertures and moonphase subdial are integrated cleanly into the overall composition.\"}},{\"@type\":\"Question\",\"name\":\"Is the pre-owned Nautilus 5726\/1A-001 a good investment, and how can I buy it from Bizak \u0026 Co.?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Nautilus 5726\/1A-001 is one of the most consistently in-demand Patek Philippe references on the secondary market, combining brand prestige, an iconic design, and a sophisticated complication in an all-steel package. You can buy this pre-owned reference online at bizakandco.com or contact Bizak \u0026 Co. directly for condition details, pricing, and purchase assistance.\"}}]}\u003c\/script\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":48913638588651,"sku":"5726\/1A-001","price":106999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/8688\/7147\/files\/patek-philippe-nautilus-black-dial-steel-mens-watch-57261a001-57261a001_jpg.jpg?v=1782261694"}],"url":"https:\/\/bizakandco.com\/collections\/patek-philippe-5726-1a-001.oembed","provider":"Bizak \u0026 Co.","version":"1.0","type":"link"}