Patent ID: 8882342
Filing Date: 2014-11-11
Classification: G04B

Abstract:
1. A watch case comprising: a middle, a tube which is provided with a thread and is integral with the middle, a control crown provided with a thread which can be screwed onto the thread of said tube, the control crown comprising an outer part with a distinctive mark which can be seen from the exterior, and an inner part which is accommodated inside the outer part and is provided with said thread which can be screwed onto the thread of the tube, one of said parts comprising means for connection to a control rod, and in particular to a rod of a winding mechanism, and clamping means in order to keep said outer part and said inner part in an angular position which is determined relative to the longitudinal axis of said tube, characterized in that wherein said inner part comprises first angular indexing means, the outer part comprises second angular indexing means, these indexing means being formed such as to engage axially in one another by means of relative axial displacement between the inner part and the outer part, these indexing means being kept engaged by said clamping means.