The HBF Factory presents the Audemars Piguet Royal Oak 26331ST.OO.1220ST.01 chronograph watch, crafted to represent a high-level interpretation of the iconic Royal Oak design with refined detailing and precise construction.
Equipped with a 7750 chronograph movement featuring a 6 o’clock small seconds layout, consistent with the original functional structure.
The 316L stainless steel case is finished with a combination of brushing and partial polishing, delivering a refined yet bold metallic texture.
The watch features a strong and masculine 41mm dial design with a thickness of 14mm, offering a powerful wrist presence.
Enhanced luminous coating ensures clear readability in low-light environments for practical daily use.
This HBF edition is the result of approximately 16 months of refinement and reconstruction based on original specifications, aiming to deliver improved visual accuracy, mechanical stability, and overall wearing experience.
It is designed for enthusiasts who appreciate the Royal Oak chronograph aesthetic, combining sporty character with modern mechanical styling.




