Philippe Dufour, A unique, incredibly well-made and historically important two-train minute repeating grande and petite sonnerie wristwatch with hinged case in yellow gold and enamel dial bearing movement number 1

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A unique, incredibly well-made and historically important two-train minute repeating grande and petite sonnerie wristwatch with hinged case in yellow gold and enamel dial bearing movement number 1

1992
41mm Diameter
Case, dial and movement signed