Audemars Piguet Royal Oak Steel — Emerald Green Grande Tapisserie Dial | Ref. 15510ST.OO.1320ST.04

Five decades after Gerald Genta sketched the Royal Oak overnight and changed the course of watchmaking, Audemars Piguet marked the 50th anniversary with a generation-defining update. The 15510ST.OO.1320ST.04 is the fruit of that milestone — a 41 mm stainless steel successor to the 15500 series that introduces a refreshed movement architecture while retaining every line and proportion that made the original a cultural icon. The emerald green dial immediately declares this as one of the anniversary edition's most coveted configurations.

At the heart of this reference lies Calibre 4302, AP's new in-house manufacture automatic movement developed as the evolutionary successor to the 3120. Oscillating at 4 Hz with 60 hours of power reserve and visible through a transparent caseback, it represents the next chapter in the Royal Oak's mechanical story. The Grande Tapisserie dial — a tactile chequerboard of lacquered squares — delivers the variant's signature depth and texture in a rich forest green, with luminous applied hour-markers and the classic Royal Oak hands maintaining legibility across every condition.

The stainless steel octagonal bezel, secured by eight hexagonal screws, connects seamlessly to the integrated bracelet via Genta's original integrated lug design, fastened by AP's folding clasp. Water-resistant to 50 metres, offered complete with box and papers, Ref. 15510ST.OO.1320ST.04 is among the most significant Royal Oak references of the modern era — essential for any serious AP collection.