Born in Osaka City, SAEKI was interested in oil paintings, and went to the private school of paintings by AKAMATSU Rinsaku as he was a junior high school student. After graduating from junior high school in 1917, he moved to Tokyo, and studied under FUJISHIMA Takeji at KAWABATA Art School. In 1921, SAEKI got married to IKEDA Yoneko, and had their residence and atelier in Shimo-ochiai of Tokyo. In 1923, SAEKI took his family to France, in the next year arrived at Paris, where he went to the Académie de la Grande Chaumière. He won a prize at the Salon d’Automne in 1925. The next year, he came back to Japan, found 1930 Society (1930-kai) with SATOMI, MAETA Kanji and so on, and exhibited his work during his stay at Europe in the first exhibition of the society. However, feeling a sense of incongruity between the Japanese landscape and his ideal painying, went to Paris again in 1927. In 1928 he died in the suburbs of Paris because of tuberculosis and mental breakdown.