LV Luxury Jewelers on Instagram: "Performance and autonomy. The Rolex Cosmograph Daytona’s calibre 4131 – unveiled in 2023 – features a cut-out oscillating weight and completely new finishes. It incorporates a chronograph function with a reduced number of components, further enhancing the movement’s reliability. It is engaged by a robust mechanism with a column wheel and vertical clutch, allowing an instantaneous and precise start. Calibre 4131 features the Chronergy escapement, combining high e