Audemars Piguet Code 11.59 Grande Sonnerie Carillon Supersonnerie "150th Anniversary" Platinum 26397PN.OO.D008KB.01

The Audemars Piguet Code 11.59 Grande Sonnerie Carillon Supersonnerie "150th Anniversary," reference 26397PN.OO.D008KB.01, represents the absolute pinnacle of what the Le Brassus manufacture has created in its sesquicentennial year. Grande sonnerie watchmaking — the art of automatically striking the hours and quarter-hours in passing, on demand, or silenced entirely — has been a cornerstone of Audemars Piguet's identity since its founding in 1875, and this reference distills 150 years of that unbroken tradition into a single, breathtaking object. To call it a watch undersells it; it is a portable cathedral of sound and mechanics.

The Code 11.59 case architecture, introduced in 2019, was designed expressly to showcase grand complications at the 41mm diameter that sits confidently on a wide range of wrists. For the Grande Sonnerie Carillon Supersonnerie, Audemars Piguet chose platinum — the noblest of case metals — whose cool blue-white luster and exceptional density lend the watch a gravitas that gold cannot replicate. At 41mm the case wears with authority without overwhelming the wrist, and the multi-faceted middle case, a signature Code 11.59 design detail, plays light in ways that animate the piece throughout the day.

The skeleton index dial of reference 26397PN.OO.D008KB.01 is a deliberate editorial choice: by opening the dial, Audemars Piguet invites the wearer to witness the beating heart of one of horology's most complex complications. Index hour markers are positioned around the periphery to maintain instant legibility while the architecture of the movement — bridges, gongs, hammers, and wheels — fills the visual field with purposeful mechanical beauty. The result is a dial that is simultaneously transparent and richly detailed, never cluttered.

The grande sonnerie carillon complication itself strikes the hours and quarter-hours automatically as they pass, deploying three hammers on three distinct cathedral gongs to produce the carillon sequence — a chord of tones that distinguishes this mechanism from a simpler two-gong sonnerie. The Supersonnerie designation, exclusive to Audemars Piguet, refers to a patented acoustic architecture that amplifies resonance through the case and caseback, projecting a volume and clarity rarely heard from a wristwatch of any size. On a 150th anniversary reference this acoustic performance is both a technical statement and an emotional one.

The watch is presented brand new and is paired with a leather strap that complements platinum's cool tone, keeping the overall aesthetic lean and focused on the movement. As a 150th anniversary edition, reference 26397PN.OO.D008KB.01 carries immediate collectibility: it marks a singular moment in Audemars Piguet's history and will be sought by serious collectors for generations. Production of grande sonnerie carillon movements is inherently limited by the extraordinary skill required to assemble and regulate them, making availability exceptionally scarce.

Bizak & Co. is proud to offer this brand-new Audemars Piguet Code 11.59 Grande Sonnerie Carillon Supersonnerie 150th Anniversary for sale. Our team of specialist advisors can answer your questions, discuss provenance, and guide you through the acquisition process with full transparency. Reach out through bizakandco.com to inquire about pricing, secure your reservation, or simply learn more — opportunities to own a reference of this magnitude do not remain available for long.