Wrist-watch cochain ware

The utility model discloses a wrist-watch cochain ware, its characterized in that: including the urceolus, actuating mechanism, control circuit, cover locate urceolus inside inner tube and the buckle mechanism of joint on the inner tube, control circuit's control output is connected with actuating mechanism's electrical input end, actuating mechanism's power take off end and inner tube fixed connection, the detachably of buckle mechanism install in on the said inner tube, it is rotatory together that actuating mechanism drive inner tube drives buckle mechanism the utility model discloses can adjust by oneself and use with the wrist-watch that adapts to different belt lengths, it is little to have work vibrations and a noise, and job stabilization is reliably and the good beneficial effect of commonality