The statue is large at over 2.8 m in height and inside is an ink inscription reading 'Year 9 of the XX era' in which the era name is illegible but it is known from the oriental zodiac to year 9 of the Tengyo era (946).
坐高2.8メートルを超える大作で、像内に「□□九年」と読める墨書があり、年号の部分は判読不能だが、干支から天慶9年（946年）とわかる。