Audemars Piguet Royal Oak Collection, Complicated Function Perpetual Calendar Watch Model: 26574ST.OO.1220ST.01.Noble Timepieces.The Audemars Piguet Royal Oak Perpetual Calendar Watch features a noble and elegant blue dial paired with a cool stainless steel case, perfectly embodying Audemars Piguet's aesthetic design and the high technical complexity of its functions. The case is made of 316L stainless steel, with a diameter of 41mm and a thickness of 11.4mm. The blue dial is adorned with a Grande Tapisserie pattern, showcasing a classic design with three-dimensional hour markers and faceted hands coated with luminescent material.Three sub-dials displaying calendar functions, along with a moon phase display, are symmetrically arranged on the dial, orderly presenting the time, day of the week, date, week number, month, and moon phase. All dial functions are fully operational. The mineral crystal glass is treated with anti-reflective coating, enhancing the overall transparency and brightness of the watch.This timepiece, referred to as a graduation product, is numbered Ref. 26574ST.OO.1220ST.01.
