Audemars Piguet Royal Oak Automatic 41mm 15500ST 2021 [Preowned]

Overview 

The Audemars Piguet Royal Oak reference 15500ST represents a definitive modern evolution of the most influential watch design of the 20th century. Introduced in 2019 to succeed the 15400, this reference recalibrated the Royal Oak formula for a new era, offering a bolder, more technical execution while honoring the "Grammar of Design" established by Gérald Genta in 1972. It stands as a pivotal model in the AP catalog—a timepiece that feels thoroughly contemporary yet remains anchored in the revolutionary spirit that defined the luxury sports watch.

The 41mm stainless steel case is a showcase of Audemars Piguet’s world-class finishing, featuring the iconic octagonal bezel secured by eight functional hexagonal screws. Every surface is a study in contrast: sharp, vertical satin-brushing is met by mirror-polished chamfers that catch the light with architectural precision. This meticulous hand-finishing extends to the integrated bracelet, which tapers perfectly to the wrist. Its complex construction allows it to play with light unlike any other bracelet in horology, providing a shimmering, "liquid metal" presence that is as comfortable as it is unmistakable.

The black “Grande Tapisserie” dial offers immense depth through its structural, square-blocked guilloché pattern. The 15500ST introduced a cleaner, more expansive layout by moving the date window further toward the edge and widening the luminescent white gold indices. Notably, this reference features the applied "AP" monogram at 12 o’clock, a detail that has become increasingly significant to collectors. Its successor, the 50th-anniversary 15510ST, removed this applied logo in favor of a printed signature; as a result, many enthusiasts now view the 15500ST as the final "classic" iteration of the modern 41mm Royal Oak.

Powering the 15500ST is the Manufacture Calibre 4302, a next-generation automatic movement engineered for the demands of the modern collector. Beating at a high frequency of 4Hz, it provides a robust 70-hour power reserve, allowing the watch to be set aside for a weekend and remain accurate for Monday morning. Visible through the sapphire crystal caseback, the movement features a skeletonized 22k gold rotor and exquisite Côtes de Genève finishing. Combining a highly legible, "logo-forward" dial with state-of-the-art mechanics, the 15500ST is a quintessential contemporary classic within the Royal Oak lineage.

Specifications

Brand :	Audemars Piguet
Model Name :	Royal Oak Automatic
Reference :	15500ST.OO.1220ST.03
Material	Steel
Movement :	AP 4302 Calibre 70hrs PR
Case Diameter :	41 mm
Bracelet / Strap :	Steel
Features :	50m depth rating, sapphire crystal caseback

 

Condition

Preowned, Excellent Condition, Complete Original Set with Box and Papers dated November 2021

Warranty

1 year warranty from SCW

Further Insight from Our Specialist Team

Read our Full Review here : Patek Philippe vs Audemars Piguet: The Ultimate Swiss Watch Showdown

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