Audemars Piguet Royal Oak Perpetual 41 mm 26585CE.OO.1225CE.01 Ceramic Skeleton

The Audemars Piguet Royal Oak Perpetual Calendar 26585CE.OO.1225CE.01 represents one of the most extraordinary intersections of material innovation and mechanical complexity in contemporary watchmaking. Born from the legendary Royal Oak lineage — a collection that Gerald Genta conceived in 1972 as the world's first luxury sports watch in stainless steel — this 41mm ceramic iteration elevates that founding spirit by replacing traditional metals with high-tech ceramic, a material prized for its exceptional hardness, scratch resistance, and deep, light-absorbing matte finish. Offered here as a certified authentic brand-new example, this is a watch for the collector who demands the absolute pinnacle of the Royal Oak universe.

The case measures 41mm in diameter and is crafted entirely from ceramic, a choice that demands extraordinary precision at every stage of manufacture. Ceramic is notoriously difficult to machine and polish, which means each component — from the iconic octagonal case to the signature exposed screw-set bezel — must be formed and finished to tolerances that few manufacturers can achieve. The screw-down crown ensures a secure seal, while the integrated octagonal bezel echoes the Genta original in silhouette but takes on an entirely new character in this jet-black, hard-wearing material.

The skeleton dial is the visual heart of reference 26585CE.OO.1225CE.01. By removing as much material as possible from the movement bridges and plates and finishing the remaining architecture to jeweler-grade standards, Audemars Piguet exposes the full complexity of the perpetual calendar mechanism beneath. Dial markers provide orientation without obscuring the mechanical spectacle below. The result is a timepiece that functions simultaneously as a wearable sculpture and a working calendar complication capable of correctly displaying the date, day, month, and moon phase while accounting for the varying lengths of months — all without requiring manual correction until the year 2100.

Powering this reference is a certified Swiss-tested automatic movement. Audemars Piguet's in-house perpetual calendar calibers are widely regarded among the most refined in the industry, featuring self-winding rotor systems that harness energy from natural wrist motion and regulate it through a precisely adjusted lever escapement. The combination of a perpetual calendar complication with an open-worked architecture demands exceptional finishing on every visible component, as each bridge, wheel, and spring is on permanent display through the skeletonized dial and caseback.

On the wrist, the 26585CE.OO.1225CE.01 presents a unified, monochromatic statement unlike almost any other watch in production. The full-ceramic integrated bracelet — fitted with Audemars Piguet's secure AP folding clasp — flows seamlessly from the case, maintaining the design language established by the original Royal Oak bracelet while delivering a contemporary, high-contrast wearability. The bracelet sits flush and flat against the wrist, distributing the watch's weight evenly for remarkable comfort across extended wear.

Bizak & Co. is proud to offer this brand-new Audemars Piguet Royal Oak Perpetual Calendar 26585CE.OO.1225CE.01 with full certified authenticity. Whether you are an established Royal Oak collector seeking the ultimate ceramic expression of this iconic line or a discerning first-time buyer ready to invest in a watch of true horological significance, our team is here to guide you. Browse our inventory at bizakandco.com or contact us directly to inquire about pricing, availability, and secure shipping — because at Bizak & Co., every transaction is handled with the care this watch deserves.