| 摘要 |
1. Arrangement to protect descriptive information appearing on one of the parts of a watch case comprising a transparent plate which is fastened to that part of the case and through which said information is readable, characterized in that said transparent plate (8, 14, 20, 25, 31, 32) is made from sapphire, is glued in an indissoluble manner to said part (1, 15, 27, 28, 30, 33) and stands out in relief on the latter. |
