| 摘要 |
The invention relates to a watch case comprising a main case part, a bezel with crystal and a case bottom, at least one piston-cylinder unit (3, 4) being arranged in the watch case, visible from the outside through the case bottom side and/or from the crystal side. The cylinder (3) consists of a transparent material or the cylinder (3) has a transparent or open jacket section (9) so that the piston (4) is visible and the piston (4) is movably arranged inside the cylinder (3). |
