Key pocket watch Breguet et Fils 19th century. Large case (diameter approx. 6 cm) with a brass inner lid (loose). Enamel dial with Arabic numerals (glass cover missing). Brass wheel movement with finely worked balance cover. Fine adjustment over a silver-coloured wheel. Repetition by means of a push-button and strikes on two tone springs. Hands and parts of the movement missing, the spring cannot be wound. When pressed, the clock strikes, but randomly.