Vacheron & Constantin. A slim 18K gold keyless wind open face pocket watch

Ref: 6760, Circa 1960
Vacheron & Constantin. A slim 18K gold keyless wind open face pocket watch
Reference: 6760
Date: Circa 1960
Movement: 18-jewel Swiss lever, cut and compensated bi-metallic balance, adjusted to heat, cold and isochronism, No.573333
Dial: Silvered, black Arabic numerals, black outer minute divisions, blued steel pointed baton hands
Case: Textured round, snap on back, No.404165
Signed: Case, dial & movement
Size: 41mm
Accompaniments: 9K gold chain, cigar cutter, pen knife and cork screw