Girard-Perregaux Constant Escapement @ The High-tech Revolution in Motion

A true technical revolution that stunned connoisseurs when some prototypes of the innovative mechanism were first presented, the Constant Escapement is now integrated into the movements driving the new models of Girard-Perregaux’s Haute Horlogerie collection. It has taken five years of research and development in virtually unexplored territory to consolidate and ensure the reliability of this significant step in watchmaking historyThe name, in addition to being a nod to one of the Maison’s historical figures, Constant Girard-Perregaux, also refers to a holy grail in mechanical watchmaking that has perplexed watchmakers since the dawn of time: the constant force. Keeping true to its innovative vision, the brand decided to try using a quite novel approach to achieve it. The concept presented on that occasion in the form of a functional mechanism was breathtaking, promising and poetic: the design was lightweight and graceful. However, the goal was far from being the result of art for art’s sake, this was a new and convincing answer to the age-old preoccupation in watchmaking: the precision and regularity of a mechanical watch. To get an idea of what is at stake and truly understand the importance of this innovation, it is worth recalling a few basic notions. The heart of a mechanical watch is ruled by the regulating organ, which manages the flow rate of the energy received from the barrel to drive the gear train and the rotation speed of the hands. The classic image is that of a faucet managing the flow of water. The main factor is not so much the speed of the beats of this heart, the chosen frequency, but their regularity. The dance can be three in a bar or four in a bar, or even a thousand; but the essential thing is that it keeps the beat over time.

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