特別拝謁記念 - Special Audience Commemorative /拝謁 - Haietsu, having an audience with someone of very high social standing (e.g. the emperor)/
Marked with "K18" for 750th gold and Ikoma workshop mark https://asiamedals.info/threads/badges-marks-and-history-of-ikoma-workshop.20961/
Original case...
badge made by ikoma
badge made by ikoma watch shop
ikoma osaka
japanesebadgejapanesebadge made in gold
japanesebadgemarked18kjapanese imperial audience badge
special imperial audience commemorative badge
特別拝謁記念章
特別章
生駒時計店謹製