| 摘要 |
<p>The interchangeable watch glass (a) is formed with a disc (b) of magnetic of ferromagnetic material incorporated in its bottom surface. The upper surface of the watch glass (a) has a circular depression (1) into which a decorative disc (B) can be placed, this disc (B) being maintained in position via the magnetic or ferromagnetic disc (b) incorporated in the watch glass (a). The watch glass (a) may be used for a children's watch and the decorative disc (B) pref. has a diameter such that only the extreme ends of the watch hands are visible.</p> |
