DIAMOND PLANET ROBOT BLUE VERSION - YONEZAWA - JAPAN
Blue version. (The box depicts a silver grey version, but no confirmed example is known.
Tin wind up. Advances as arms raise and lower, chest meter sweeps back and forth, sparks shoot from behind the red gel near the base and a space sound is emitted. Featured in the 1963 Yonezawa catalog.
There are two color versions of this robot: red with blue arms, and blue with red arms. A prototype all blue version is known. Other colors such as silver have been reported but remain unconfirmed originals. Blue is more common than red.