Badge was converted into a watch fob.
Reverse
昭和十二年度 - 1937
防空演習参加記念 - Air Defense Maneuvers Participation Commemorative
Engraved
粉賓第二區防護組合 - 2nd Konahin Ward Air Raid Defense Union
1937 air defense maneuvers commemorative badge
air defense
air defense maneuvers badge
japanese air defense badge
japanese badge
昭和十二年度防空演習参加記念章
防空演習参加記念章
Badge with similar design from different district of Osaka https://asiamedals.info/threads/kanezuka-air-raid-defense-corps-1935-maneuvers-participation-commemorative-badge.23265/
Obverse
田中防護分團 - Takaka (Minato Ward , Osaka City) Air Raid Defense Corps
reverse
昭和十一年度 - 1936
防空演習参加記念章 -...
1936 maneuvers air defense participation badge
air defense
air defense maneuvers badges
japanese air defense badge
takaka air raid defense corps badge
田中防護分團防空演習参加記念章
防空演習参加記念章
4th Imperial Capital Air Defense Maneuvers Participation Commemorative Badge https://asiamedals.info/threads/shinagawa-ward-air-defense-corp-4th-imperial-capital-air-defense-maneuvers-participation-commemorative-badge.28095/
Height 42 mm.
Obverse
第三回帝都防空演習参加 - Imperial Capital (i.e. Tokyo)...
3rd tokyo air defense maneuvers badge
air defense
air defense maneuvers badges
japanese air defense badge
japanese badge
shinagawa ward defense corps commemorative badge
品川区防護団第三回帝都防空演習参加記念章
防空演習参加記念章
1929 air defense maneuvers commemorative badge
air defense
air defense maneuvers badges
japanese badge
sugawara squad air defense participation badge
昭和四年七月菅原分隊防空演習参加記念章
防空演習参加記念章
Obverse
参加章 - Participation Badge
東江防護分團 - Agarie Air Raid Defense Corps /another possible reading of 東江 - Higashie/
reverse
近畿防空演習 - Kinki Air Defense Maneuvers
昭和力年七月 - July 1934
1934 kinki air defense maneuvers badge
air defense
air defense corp branch badge
japanese air defense badge
japanese air defense maneuvers badge
近畿防空演習参加記念章
近畿防空演習東江防護分團参加記念章
防空演習参加記念章
防護分團参加記念章
Badge with similar design https://asiamedals.info/threads/1936-air-defense-maneuvers-tanabe-air-defense-corps-participation-commemorative-badge.25189/
Obverse
護 - Protection
錦防護分團 - Nishiki Air Raid Defense Corps Branch
reverse
昭和十二年度 - 1937
防空演習参加記念章 - Participation in Air Defense...
1937
air defense maneuvers badges
japanese air defense maneuvers badge
nishiki air raid defense corps branch
北恩加島防護分
昭和十二年度
錦防護分団防空演習参加記念章
防空演習参加記念章
防空演習章
Badge with similar design from different district of Osaka https://asiamedals.info/threads/takaka-air-raid-defense-corps-1936-maneuvers-participation-commemorative-badge.24792/
Obverse
金塚防護分團 - Kanezuka (Sumiyoshi Ward, Osaka City) Air Raid Defense Corps
reverse
昭和十年度 - 1935
防空演習参加記念章 -...
1935 maneuvers participation badge
air defense
air defense maneuvers badges
japanese air defense badge
japanese badge
kanezuka air raid defense corps badge
金塚防護分團防空演習参加記念章
防空演習参加記念章