or rose, remontage manuel * Very rare vintage Jaeger LeCoultre Geophysic in rosegold from 1958. Mouvement is a Jaeger LeCoultre P478/BWSbr, based on the known military watch mouvement 478. The P478/BWSbr is resitant to magnetic fields of up to 600 Gauss due to the soft iron covers. There is a soft iron cap on the back while the front is protected by the soft iron dial that reaches around the mouvement (see the pictures). The mouvement has a Breguet hairspring, anti shock protection, swan neck regulation, Glucydur balance wheel and was chronometer certified. * Only about 50 watches were produced in rose gold which makes this Jaeger LeCoultre a very rare and highly collectible watch.