French rose gold open faced minute repeating lever Circa 1920

Rose gold minute repeater by Leroy
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A fine and rare French rose gold open faced minute repeating keyless watch, circa 1920. Mechanical jewelled movement, minute repeating on two hammers. Hinged gold cuvette engraved L. Leroy & Cie Horlogers de la Marine 7 bd de la Madeleine Fondée 13-15 Palais Royal Paris. Gilt engine turned dial with large black Arabic numerals, railway minute divisions, blued steel Breguet hands and subsidiary seconds. Large case, hinged back, repeating slide in the band. Case, dial and movement signed, case and cuvette numbered.
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Diameter: 56.8 mm
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Signed: Leroy