| 摘要 |
PURPOSE:To enhance functionality and to secure waterproofness, by separately arranging a mechanical coupling part and an electric connection part to different positions and bringing the contact part in the main body side of a wristwatch to a hermetically sealed type. CONSTITUTION:The titled wristwatch is provided with a battery case 8 comprising a plastic material, coupling shafts 8a, 8b mechanically coupled with the main body of the wristwatch provided to said battery case 8 and a detachment preventing part 8c for preventing the detachment of the battery case 8 when said shafts 8a, 8b are coupled with the main body of the wristwatch. An earphone jack 8e is provided to the battery case 8 and an earphone entering hole 8f is provided thereto. Connection springs 8d comprising a metal material are connection ones taking the electrical continuity of the main body and the battery case 8 when mounted to the wristwatch case and two springs among them are electrically connected to the battery arranged in the battery case 8 while the remainder two to the earphone 8e arranged to the case 8. Therefore, waterproofness can be secured while function is enhanced. |
