| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radio-controlled wrist watch not degraded in the receiving sensitivity of an antenna stored inside even if a case body and a back cover are formed of metal, and moreover not enlarged. <P>SOLUTION: The radio-controlled wrist watch has the back cover 20 mounted to the case body 10 by a screw member 80, wherein a spacer member 44 inserting the screw member 80 is interposed between the case body 10 and the back cover 20, and electric resistance between the case body 10 and the back cover 20 is increased by the spacer member 44 to suppress a current flowing to the case body 10 and the back cover 20. <P>COPYRIGHT: (C)2009,JPO&INPIT |
