发明名称 Calendar mechanism-attached timepiece having month indicator and date indicator
摘要 To provide a calendar mechanism-attached timepiece having a thin date feeding mechanism and month feeding mechanism. A calendar mechanism-attached timepiece of the invention includes a date indicator, a month indicator, a date indicator driving wheel, a date feed finger, and a small month end feed lever. The date indicator includes a month feed tooth for rotating an intermediate month wheel and a small month end feed tooth for feeding the date indicator at a month end of a small month. The month indicator includes a month cam for operating a small month end feed lever at a month end of a small month. The small month end feed lever is constituted to be able to feed the date indicator by an amount of 1 day based on rotation of the date indicator driving wheel and rotation of the month cam.
申请公布号 US8059492(B2) 申请公布日期 2011.11.15
申请号 US20080313471 申请日期 2008.11.20
申请人 WATANABE MAMORU;SEIKO INSTRUMENTS INC. 发明人 WATANABE MAMORU
分类号 G04B19/24 主分类号 G04B19/24
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