The Heart of Precision: Movements of the Audemars Piguet Royal Oak

At the heart of the Audemars Piguet Royal Oak beats a mastery of horological precision—the movements. Crafted with exceptional skill and innovation, these intricate engines power the iconic timepieces, underscoring the brand's commitment to excellence. In this article, we delve into the artistry and technical brilliance behind the movements of the Audemars Piguet Royal Oak.

1. Caliber 2121: A Classic Legend

The Royal Oak introduced the world's thinnest self-winding movement, Caliber 2121, when it was first launched in 1972. With a remarkable slim profile, this movement enabled the Royal Oak's iconic slim case design. It boasts high precision and reliability, embodying the enduring legacy of Audemars Piguet's watchmaking prowess.

2. Caliber 3120: A Timeless Workhorse

Caliber 3120 represents a robust and versatile self-winding movement used in various Royal Oak models. Known for its precision and stability, this movement delivers an impressive power reserve, ensuring accurate timekeeping over extended periods.

3. Caliber 4401: A Modern Marvel

The Royal Oak collection's more recent editions feature Caliber 4401—a high-performance, self-winding movement equipped with a column-wheel chronograph. This modern marvel integrates a flyback function, enabling seamless resetting and restarting of the chronograph, making it a practical choice for timing events.

4. Caliber 5134: The Grand Complication

The Royal Oak collection offers models with Caliber 5134—a grand complication movement featuring a perpetual calendar with moon phase. This intricate movement seamlessly tracks time, day, date, month, and leap year, providing a perpetual display of calendar information.

5. Openworked Movements: Showcasing Artistry

The Royal Oak also showcases openworked or skeletonized movements, which reveal the intricate mechanics and craftsmanship within the timepiece. These movements epitomize the brand's dedication to artistic expression and technical mastery.

6. Limited Edition Movements

In certain limited editions and special models, Audemars Piguet unveils unique movements with innovative complications or artistic embellishments. These limited edition movements celebrate historical milestones or partnerships, adding exclusivity and collectability to the timepieces.

7. Hand-Finishing: A Mark of Craftsmanship

Regardless of the movement, Audemars Piguet adheres to the tradition of hand-finishing, where skilled artisans meticulously decorate and polish each component of the movement. This hand-finishing elevates the movements to works of art, demonstrating the brand's unwavering commitment to craftsmanship.


The movements of the Audemars Piguet Royal Oak are exemplars of horological mastery. From classic and slim calibers to modern complications and grand complications, each movement represents a fusion of technical brilliance and artistic expression.

As the beating heart of the iconic Royal Oak timepieces, these movements embody Audemars Piguet's heritage of excellence, ensuring that each timepiece is not only a precise instrument but also a timeless work of art.

Discover the Audemars Piguet Royal Oak Collection


+971 56 135 3274
+33 6 60 49 71 89 

Shop now