Dawn of a New Era: Grand Seiko Hi-Beat 36000 80 Hours,Grand Seiko 60th Anniversary SLGH002 new Calibre 9SA5,grand-seiko-fall-2024-,SHOHEI OHTANI OFFICIAL「K24/K18 COIN DIAMOND PENDANTS」 11月,Grand Seiko Introduces the 60th Anniversary Hi-Beat 80 Hours,