Ralph Lauren Automotive Chronograph is a high-precision instrument for measuring elapsed time and includes a tachymetric scale to measure speed. The racing motor has been furnished by Jaeger-LeCoultre for Ralph Lauren.

Ralph Lauren Automotive Chronograph is a high-precision instrument for measuring elapsed time and includes a tachymetric scale to measure speed. The racing motor has been furnished by Jaeger-LeCoultre for Ralph Lauren.

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