| 摘要 |
To provide a timepiece attached with a calendar mechanism capable of carrying out large date indication, having a degree of freedom of a date indicating position and capable of developing a design variation. A timepiece attached with a calendar mechanism of the invention includes a first date indicator for indicating a position of 1 of a date and a second date indicator for indicating a position of 10 of the date. The first indicator includes a first date indicator wheel portion for rotating the first date indicator by rotation of a top train wheel and a drive cam for rotating the second date indicator and determining a position of the second date indicator. It is preferable that the drive cam includes a cam circular arc portion constituted to be provided with a shape including four concentric circles respectively having different radii.
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