This vintage Nylon Prestissimo Metronome, made in Japan by Seiko Co. LTD., is a mechanical device with a classic black plastic design. Its compact size of 4" x 8.25" makes it suitable for any user. This metronome is a must-have for any musician or collector of musical instruments. The item features a model of NIKKO Prestissimo. The item is in good working condition and has no signs of wear or tear. Pat. 1448548