As a midshipman, he was assigned to the cruiser Iwate on its 1915 long distance navigational training voyage from Sasebo to Chemulpo, Dairen, Chinkai, Maizuru and Toba.
He stayed with Iwate on its cruise the following year to Hong Kong, Singapore, Fremantle, Melbourne, Sydney, Wellington, Auckland, Jaluit Atoll, Ponape, and Truk.
After serving as chief gunnery officer on the battleship Haruna and the cruiser Asama, Arima received his first command on 1 December 1937, the converted seaplane tender Kamikawa Maru.
Before taking off in a Mitsubishi G4M "Betty" twin-engine bomber, he allegedly removed his rank and other insignia, and declared his intention to not return alive.
On 12 September 1944, a group of Army pilots of the 31st Fighter Squadron located on Negros Island decided to launch a suicide attack the following morning.