SJX Watches
In-Depth: The Rolex Chronergy System
Rolex launched Chronergy – essentially a mechanical ecosystem for optimal mechanical performance – with the cal. 3255 in the top-of-the-line Day-Date 40 that made its debut in 2015. Six years on, Rolex has upgraded practically its entire line up with latest-generation, Chronergy-equipped cal. 32XX family, including its most affordable offerings. Chronergy movements are found in the Datejust (cal. 3235) and Oyster Perpetual (cal. 3230), and also the entry-level sports watches, like last year’s Submariner ref. 124060 (cal. 3230). Chronergy is made up of 14 patents covering every aspect of a movement from power source to regulator, but a fundamental element is its escapement. And the Chronergy escapement actually continues a long-forgotten journey that began some fifty years ago on the other side of the world. Still sound at 300 years old Invented in the mid 1750s by Thomas Mudge (1715-1794), the lever escapement was arguably the necessary iteration of the deadbeat escapement once it was miniaturised for a watch. Having been conceived by George Graham (1673-1751) as a refinement of the anchor escapement in pendulum clocks, the deadbeat escapement was unsuited to the delicacy of watch proportions. In the lever escapement, impulse is provided to the balance via a lever, which is in turn propelled by the force of the escape wheel teeth contacting the pallet jewels of the lever. And the lever escapement is a detached escapement, meaning the escape wheel locks free of ...
