Obverse
Guards unit emblem
優勝 - Winner
reverse
慶興守備隊 - Kyonghung Garrison
Kyŏnghŭng County /경흥군; 慶興郡/ is a kun, or county, in North Hamgyong province, North Korea. The county borders the People's Republic of China to the northeast. Except for the southwest, it is dominated by low hills...
Watch fob uses design of 2nd anniversary of Manchurian incident badge https://asiamedals.info/threads/manchurian-incident-commemorative-badges-and-watch-fobs.23177/page-2#post-347047
28 mm.
Reverse
満洲吉林省間鳥 - Manchuria Jilin Province Matori
About Jilin Province...