Attack on Pearl Harbor commemorative watch fob. 必勝 / Hisshō / Certain Victory 真珠湾 - Pearl Harbor Reverse 大東亜戦争 - Greater East Asian War horizontally 記念 - Commemorative vertically ハワイ - Hawaii lower 海戦 - naval battle + date December 8, 1941 (interestingly not 7, but 8)
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