In the Empire of Japan, Navy Commemoration Day /海軍記念日, Kaigun Kinen'bi/ was celebrated on May 27. It was established in 1905 to commemorate the Battle of Tsushima and was abolished in 1945 after Japan's defeat in the WW2.
Navy commemoration day posters.
決戰下 - Above the Decisive Battle...
1937年海軍記念日章
1939年海軍記念日章
1941年海軍記念日章
1941年第三十六回海軍記念日水上錬成大會章
1942年海軍記念日章
1944年海軍記念日バッジ
badge made by ikoma watch shop
imperial japan navy commemoration day badge
imperial japan navy commemoration day watch fob
imperial japan navy day badge
imperial japanese navy commemoration day
japanese imperial navy badge
rising sun flag badge
rising sun flag watch fob
大阪生駒時計店謹製
日露海戦歴戦記念昭和十年大連市役所海軍記念日章
海軍記念日バッジ
海軍記念日章
第三十三回海軍記念日短艇競技参加章
紀元二千六百一年第三十六回海軍記念日水上錬成大會章