The Audemars Piguet Royal Oak Chronograph 26240ST.OO.1320ST.04 is a special selfwinding chronograph created to mark the Royal Oak’s 50th anniversary. Housed in a stainless steel case, this 41mm model maintains the collection’s signature octagonal bezel, exposed screws, and integrated bracelet. Its unique khaki green dial features the iconic “Grande Tapisserie” pattern, adding both depth and a bold, contemporary touch to the classic Royal Oak design.

Powered by the in-house Caliber 4401, this chronograph is equipped with a column-wheel mechanism and flyback function for precise, smooth operation. The movement, visible through the sapphire caseback, is further enhanced by a special “50 Years” oscillating weight, a nod to the milestone being celebrated. Combining impeccable craftsmanship, cutting-edge technology, and a distinctive color palette, the Royal Oak 26240ST.OO.1320ST.04 embodies the timeless elegance and forward-thinking design that has defined the Royal Oak line for half a century.