WW 2 Seikosha Imperial Japanese Navy Submarine Bomb / Torpedo Stopwatch Timer

  

FANTASTIC and VERY RARE example of a WWII Imperial Japanese Navy Seikosha 15-Second Stopwatch. Used to calculate / time firing intervals. It was used by various Submarines and Destroyers by the Imperial Japanese Navy personnel responsible for Attack Coordination of Torpedo's and Artillery.

This Seikosha Stopwatch is in AMAZING functioning condition. It features a porcelain display with various indices in 15 second intervals. The manufacture name is clearly marked on the movement, indicating Seikosha.

Overall condition is excellent for the age.