Vacheron & Constantin, A gold automatic wristwatch, Ref. 6637, circa 1960
Movement: cal. K1071 automatic, 29 jewels, no. 558004
Dial: silvered, linen-finish, applied baton and faceted indexes, centre seconds
Case: 18ct gold, snap-on back, no. 388225
Signed: case, dial and movement
Dimensions: diameter 35mm.
£1,000-£1,500