VACHERON AND CONSTANTIN. A FINE 18 CARAT GOLD ONE MINUTE TOURBILLON OPENFACE KEYLESS LEVER WATCH

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VACHERON AND CONSTANTIN. A FINE 18 CARAT GOLD ONE MINUTE TOURBILLON OPENFACE KEYLESS LEVER WATCH
SIGNED VACHERON & CONSTANTIN, GENEVE, CIRCA 1978

With nickel-finished jewelled lever movement, bi-metallic screw balance, three armed one minute tourbillon, under glazed protective cover, the white enamel dial with Breguet numerals, subsidiary seconds, blued steel moon-style hands, in a plain case, case, dial and movement signed
57 mm. diam.