| 摘要 |
Mechanically driven timepiece has a non-circular movement that is combined with a chronograph mechanism comprising levers (5, 6, 10, 21) and a column wheel (4). All the levers of the chronograph mechanism are directly engaged with the column wheel (4), while being subjected to the pressure of return elastic elements such that all the displacements of the levers result from the step by step movement of the column wheel actuated by a single control lever (1). |
