A eyes button hole - sewing machine has a sewing machine having a needle bar and a thus synchronized to the formation of a button hole - seam grippers operating. In order to supply a gimp thread (16) to the eyes button hole - seam is a gimps yarn - feeding device (23). The feed device (23) has a gimps yarn - guide means (24) with a the gimps yarn (16) leading gimps threads - guide unit (25). For monitoring a position of the gimps yarn - guide unit (25) is a monitoring sensor (30). The gimps yarn - guide unit (25) is formed by a pulling action of the of the eyes button hole - seam gimp thread (16) supplied from a neutral position into a traction position gimps yarn - can be displaced. A control device (38) is connected to the monitoring sensor (30) in signal connection (39). When sewing a the gimps yarn (16) and eyes button hole - seam is first of all the sewing process is started, then the position of a via the material to be sewn gimps yarn (16) displaceable sewing machines component (25) and then determined, depending on the specific position, the sewing machine program is interrupted or continued. When sewing of the eyes button hole - seam, it is then ensured that this sewing process takes place with the inclusion of the gimp thread.
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