Vacheron & Constantin. A keyless wind movement within associated 18K gold and polychrome enamel full hunter pocket watch case Date: Early 20th Century Movement: 21-jewel Swiss lever, cut and compensated bi-metallic balance, 8 adjustments, No.359741 Dial: White, black numerals, black outer minute track, subsidiary seconds at 6, gilt spade hands Case: Polished hinged with polychrome enamel decoration to front and back depicting central lake scenes bordered with flora and musical instrument cartouches, No.4182 Signed: Movement and cuvette signed Vacheron Constantin, dial signed L Klein London, case stamped HB Size: 48mm