See also https://asiamedals.info/threads/1904-attacking-russia-commemorative-watch-fob.24771/
Obverse
征露記念章 - Attacking Russia Commemorative Badge
明治三十七年- 1904
1904 attacking russia commemorative badge
1904 attacking russia commemorative watch fob
1904年征露記念章
russo-japanese war commemorative badge
russo-japanese war commemorative pendant
征露記念章
明治三十七年征露記念章