NSA in 1970 manufactures high quality bracelets for Jaeger LeCoultre, Heuer, Movado. Condition is perfect.
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The stainless steel case and bracelet reflect the robust construction typical of the Formula 1 series. Quartz chronograph architecture utilizes an electronic oscillator regulated by a quartz crystal, which drives a stepping motor responsible for moving the hands.
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The rotating timing bezel and robust case construction place the watch firmly within the functional tool chronograph category. The screw-down crown and cylindrical pushers correspond to the typical hardware associated with Valjoux 7750 chronograph cases.
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REVERSO SPORT CHRONOGRAPHE JAEGER LECOULTRE.
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