1970s Jaeger-Lecoultre Memovox 875.42 speed beat with box & papers

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The "Speed Beat" generation introduced a high-frequency movement operating at 28,800 vph to ensure chronometric accuracy, but this reference 875.42 elevates it further with absolute completeness. Housed in a sharp, stainless steel case, the mechanical alarm ring chirps with a vibrant resonance. Offered with its original box and papers, it is a collector's dream package of Jaeger-LeCoultre’s most practical and famous mechanical complication.