See also https://asiamedals.info/threads/imperial-military-reservist-association-akita-branch-award-badge.29779/ ; https://asiamedals.info/threads/imperial-military-reservist-association-8th-shikan-martial-arts-tournament-commemorative-watch-fob.29781/.
Obverse
記念 - Commemorative
reverse...
1928年帝国在郷軍人会秋田支部第八師管武術大会記念章
8thdivisionmartialartstournamentwatchfob8th shikan martialartstournamentwatchfob
akita branch military reservist association badge
japanese imperial army badge
japanese reservist association badge
帝国在郷軍人会章