首页>
外国专利>
Watch carrying out the method and how to program the perpetual calendar watches
Watch carrying out the method and how to program the perpetual calendar watches
展开▼
机译:手表执行方法及如何编程万年历手表
展开▼
页面导航
摘要
著录项
相似文献
摘要
A process for programming the perpetual calendar of a watch with analogue time display is effected using elements incorporated in the watch. In a preferred embodiment, the parameter to be programmed is read from the second hand of the watch. Passage to the programming mode is effected preferably by a special manipulation of the hand-setting stem. If it is required to programme three parameters, namely the number of the year in a four-year cycle, the number of the month of the year and the number of the day of the month, and if the watch has a hand-setting stem with three positions, each parameter to be programmed is allocated to a position on the stem and the parameters to be programmed are read from the second hand by allocating to the latter real steps corresponding to stopping positions and non-allowable steps corresponding to non-stopping positions.
展开▼