Swiss lever display desk clock with power reserve Circa 1914

Display desk clock by Vacheron & Constantin
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A Swiss silver open faced keywound lever display desk clock with power reserve and a hack feature, circa 1914. The gilt finished lever movement with 15 jewels and a large bimetallic compensation balance. Matte silvered dial with Roman numerals, an outer minute track, arch shaped 48 hours power reserve at 12 o’clock, subsidiary seconds at 6 and blued steel spade hands.  A large case with screwed bezel, the hacking feature activated by depressing a button in the band at 8 o’clock, a hinged back. Case numbered, dial and movement signed.
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Diameter: 82 mm
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Signed: Vacheron & Constantin Genève