A LOUIS DUCHÊNE ET FILS Watch 750/1000 gold key mechanical movement, signed and numbered 59114 French (circa 1800) mechanism requiring maintenance, small bruises and many faults on the enamels Lisbon mark (post 1985) Dimensões (altura x comprimento x largura) - 4,3 cm; Peso - bruto - 17,7 g. Notes: Vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Portuguese Goldsmiths and Assay Marks (1887 to 1993)", vol. II. Lisbon: IN-CM, no. 4094 and 4126.