A winding device 1 including a base 3 including a drum accommodation portion 33 that accommodates a drum 4 including upward teeth 46, the accommodation portion 33 being cylindrical and having a closed end, and a dial 5 including downward teeth (53) to rotate the drum 4. The dial 5 is moved to a locked state in which the downward teeth are engaged with the upward teeth 46 to transmit rotation of the dial 5 to the drum 4 and an unlocked state in which the downward teeth are disengaged from the upward teeth 46. The winding device 1 includes an annular gear (51) including projections and roots extending in the rotation axis direction of the dial 5 and a pawl 36 protruding from the drum accommodation portion 33. The pawl 36 is designed to engage with the annular gear. The annular gear and the pawl 36 control rotation of the dial.