Seireki to Wareki
- SEIREKI to WAREKI
- WAREKI to SEIREKI
- SEIREKI to ASUKA
- ASUKA to SEIREKI
- SEIREKI to NARA
- NARA to SEIREKI
- SEIREKI to HEIAN
- HEIAN to SEIREKI
- SEIREKI to KAMAKURA
- KAMAKURA to SEIREKI
- SEIREKI to NANBOKUCHOU
- NANBOKUCHOU to SEIREKI
- SEIREKI to MUROMACHI
- MUROMACHI to SEIREKI
- SEIREKI to SENGOKU
- SENGOKU to SEIREKI
- SEIREKI to AZUCHIMOMOYAMA
- AZUCHIMOMOYAMA to SEIREKI
- SEIREKI to EDO
- EDO to SEIREKI
- SEIREKI to MEIJI
- MEIJI to SEIREKI
- SEIREKI to TAISHOU
- TAISHOU to SEIREKI
- SEIREKI to SHOUWA
- SHOUWA to SEIREKI
- SEIREKI to HEISEI
- HEISEI to SEIREKI
- SEIREKI to REIWA
- REIWA to SEIREKI