The Audemars Piguet Royal Oak Selfwinding Chronograph 26240ST.OO.1320ST.08 is a distinctive expression of the legendary Royal Oak collection, combining its unmistakable octagonal architecture with modern chronograph functionality. Crafted from stainless steel, the 41 mm case features the collection’s characteristic combination of brushed surfaces and polished accents, complemented by a glareproofed sapphire crystal and transparent caseback. A screw-down crown enhances the sporty character of this sophisticated timepiece, while its 50-meter water resistance makes it suitable for everyday wear.

At the front, the watch is distinguished by its captivating khaki-green dial, showcasing Audemars Piguet’s signature Grande Tapisserie pattern. The integrated chronograph layout provides a balanced and highly functional appearance, while the luminous Royal Oak hands and hour markers enhance legibility in low-light conditions. The iconic octagonal bezel, secured by eight exposed screws, reinforces the instantly recognizable Royal Oak design and creates a strong visual connection between the case and dial.

The integrated stainless steel bracelet is designed to follow the contours of the 41 mm case, creating the seamless wrist presence for which the Royal Oak is renowned. Its combination of polished and satin-brushed finishing complements the case while providing a refined yet sporty appearance. An Audemars Piguet AP folding clasp secures the bracelet comfortably and reliably around the wrist.

Turning the watch over reveals a transparent sapphire caseback, offering a view of the sophisticated automatic movement within. The Royal Oak Chronograph 26240ST.OO.1320ST.08 is powered by the in-house Calibre 4401, an integrated automatic flyback chronograph movement featuring a column wheel and vertical clutch. Operating at a frequency of 28,800 vibrations per hour (4 Hz), the movement provides approximately 70 hours of power reserve and incorporates 40 jewels. The exhibition caseback allows the wearer to appreciate the intricate finishing and mechanical operation of the movement, while the 50-meter water resistance adds practical versatility.

The Audemars Piguet Royal Oak 26240ST.OO.1320ST.08 brings together the Royal Oak’s unmistakable design language, a striking khaki-green Grande Tapisserie dial, integrated stainless steel bracelet, and advanced in-house chronograph technology. With its 41 mm octagonal case, flyback chronograph functionality, transparent caseback, and impressive 70-hour power reserve, it represents a contemporary interpretation of one of luxury watchmaking’s most recognizable designs. 

 

Reference No.  26240ST.OO.1320ST.08