japanese imperial army badge
japanese imperial army engineer unit badge
japanese imperial army engineer watch fob
japanese imperial army sapper unit badge
japanese imperial army sapper unit watch fob
japanese imperial army watch fob
優秀徽章
工兵大隊徽章
工兵第一大隊徽章
工兵第十九聯隊章
工兵部隊章
陸軍工兵部隊章