Lot 606

École Nationale d'Horlogerie de Besancon, Case No. 1930, 53 mm, 104 g, circa 1930
A French graduate's piece of the watchmaker school Besancon in a Niello-silver case - former with Bulletin de Marche of the Observatory in Besancon
Case: Niello silver, stripe-decorated. Dial: enamel. Movm.: bridge movement, observatory hallmark "viper", gold screw compensation balance.

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