Abstract: A bracelet comprising a body member having a locking aperture provided in one end of the body member and a locking piece formed by the locking aperture; a steel sheet spring fitted such that the proximal end is fastened to the inside of the other end of the body member and the distal end is pushed outwardly by the elasticity of the steel sheet spring; and a locking member in which the rear end is fastened to the distal end of the steel sheet spring, a locking protrusion projecting from the outer surface of the front end and engaging with the locking piece through the locking aperture from the inside to the outside thereof is formed, and a pressing piece projecting from the outer surface of the direct rear portion of the locking protrusion and exposed outwardly from the other end of the body member.