Tarumizu Naval Air Corps 1945 Explosives Trainee Graduation Commemoration Watch Fob/垂水海軍航空隊第三四期普通科雷爆練習生卒業記念章

See watch fob with similar obverse design https://asiamedals.info/threads/adv...n-commemorative-watch-fobs.26099/#post-356952

Obverse

普雷爆 - Regular Navy Air Bomb and Torpedo (Explosives)

reverse

昭和20.3.23年 - March 23, 1945

垂水海軍航空隊 - Tarumizu Naval Air Corps

Tarumizu Naval Air Corps was established in February 1944 for maintenance training for the Type 91 aerial torpedoes.

第三四期普通科 - 34th (or 3rd and 4th) Regular Course

雷爆練習生卒業記念 - Explosives (Navy Air Bomb and Torpedo) Trainee Graduation Commemoration

Marked 純銀 - pure silver.