Swiss pink gold technically interesting heavy watch Circa 1885

Gold open faced with stoppable centre seconds
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An extremely rare and technically interesting heavy pink gold pocket watch with seconde morte and tandem winding, Vacheron & Constantin Geneve, circa 1885. An 18K pink gold à-goutte case, signed case lid, dome and movement, extremely rare and highly complicated precision lever movement with stoppable independent seconds and tandem winding in manner of Mairet, enamel dial in perfect condition, stoppable centre seconds, release and stop by pusher in the crown, blued steel hands, in excellent condition, top quality, extremely rare, in working order. The watch is with 130 gr. not only an impressive and very high-quality Geneva pocket watch but also technically extremely rare. A Vacheron & Constantin seconde morte with crown pusher is a real rarity for collectors of technical watches!
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Diameter: 52,5 mm
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Weight: 130 g
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Signed: Vacheron & Constantin Genève