Hakata port was build in 1936 in the city of Fukuoka in Fukuoka Prefecture.
Size 30 mm.
In the center emblem of Mitsubishi Group. Mitsubishi played a main role in the construction of Hakata port.
博多築港大博覽會 - Hakata Port Exposition
1936 construction of hakata port watchfob
construction of hakata port expositionwatchfobjapaneseexpositioncommemorative badge
japaneseexpositioncommemorativewatchfob
博多築港大博覽會記念章
See also https://asiamedals.info/threads/watch-fob-in-commemoration-of-50th-anniversary-of-the-imperial-rescript-to-soldier-and-sailors.22773/
Size 28 mm.
Obverse
誠心 - Wholehearted [Devotion]
reverse
勅諭下鵙五十周年記念 - The 50th Anniversary of the Imperial Rescript to Soldier
廣島 - Hiroshima...