Vacheron & Constantin. An 18 carat gold self-winding water resistant calendar wristwatch
Signed Vacheron & Constantin, model no. 6378Q, case no. 396163, movement no. 554594, 1960s
The nickel plated self-winding movement with gold alloy balance and micrometer regulation, the rotor with gold rim rotating on four ruby bearings, 29 jewels, adjusted to heat, cold, isochronism and to five positions, the matt silvered dial with raised gold baton numerals, gold hands and date aperture, in circular case with chamfered bezel, protected winder and screwed back, with maker's brick link gold bracelet and clasp, certificate of origin dated 1969 and presentation box, case, dial and movement signed
35 mm. diam.