Steel bar and watch

The invention discloses a steel bar and belongs to the technical field of watch accessories. The steel bar comprises a sleeve, two steel bar rods and a button mechanism, wherein the two steel bar rodscan be arranged in the sleeve in a sliding manner; a button hole is opened in the side wall of the sleeve; the button mechanism is detachably connected with a watchband, is arranged in the button hole in a penetrating hole, is arranged between the two steel bar rods, and can move along the axial direction of the button hole so as to lead the two steel bar rods to move along the axial direction ofthe sleeve. The steel bar disclosed by the invention has the beneficial effects that the button mechanism is detachably connected with the watchband, and by matching of the button mechanism and the steel bar rods, fast installation and disassembly of the watchband and the watch body can be realized, the experience effect of a user is greatly improved, the connecting state is stable and reliable,and the condition that the