发明名称 CRYSTAL WRISTWATCH
摘要 PURPOSE:To provide a wristwatch which achieves the improvement of its calendar device and further the multifunctioning and thinning of the watch by assembling a hands-display type watch movement and a digital display device in a position relation of not flatly superposing.
申请公布号 JPS53144776(A) 申请公布日期 1978.12.16
申请号 JP19770060076 申请日期 1977.05.24
申请人 SUWA SEIKOSHA KK 发明人 MARUYAMA MITSUAKI
分类号 G04C3/00;G04G9/00 主分类号 G04C3/00
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