VACHERON, REF. 6378 AUTOMATIC YELLOW GOLD
Vacheron & Constantin, Genève, Automatic, movement No.
587638, Ref. 6378. Made in the 1960s.
Very fine and rare, center seconds, self-winding, water-resistant,
18K yellow gold wristwatch with date.
Two-body, polished and brushed, inclined bezel and concave
lugs, screwed down case back.
Satine silver with applied faceted yellow gold and black inlay
baton indexes, outer minute/second divisions, gold-rimmed
date aperture. Yellow gold and black hands.
Cal. K1072/1, stamped with the Seal of Geneva quality
mark, rhodium-plated, fausses cotes and oeil-de-perdrix
decoration, 29 jewels, straight-line lever escapement, beryllium
balance adjusted to heat, cold, isochronism and five positions,
shock absorber, self compensating Breguet balance spring,
swan-neck micrometer regulator, 18K gold rotor segment with
ruby roller bearings.