Lindberg – 70817 – Imperial Japanese Navy Submarine C-1 (class) I-20 & the HA-20 Midget Sub Scale: 1/72 Brand: Lindberg Production Status: Out of production Topics: 1/72 Submarine Historical Period: World War II Nationality: Japanese Rated: 0 (0) Rate this kit: It's an excellent kit Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. Added: February 4, 2013 by The 1/72 Scale Dude Description: Imperial Japanese Navy Submarine C-1 (class) I-20 & the HA-20 Midget Sub *This kit finally never was released.