Offered by Toebosch Antiques
8-day duration, movement with pinwheel escapement, Breguet hands and one of the 29 cm. enamel dials with sweep seconds, both signed ' Jh Ponvianne a Feurs', brass bezels forming the lower part of a knife-edge suspended lyre-formed gridiron pendulum with regulation to the rod, the crutch engaging with a steel rod mounted to the suspension plate.
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