Watch Submarine 707 Watch now on Miruro - Free Anime Streaming Submarine 707 follows the adventures of Captain Hayami and his submarine crew in the Maritime Self-Defense Force. Series info Watch free DetailsFormatMangaStatusFinishedCountryJapan GenresAdventureSci-Fi TagsShounenMilitaryPrimarily Male Cast RelatedShinkai no Kantai: Submarine 707 (Adaptation)Submarine 707R (Adaptation)Submarine 707F (Sequel)