Grand Seiko Hi-Beat – Ref. 5646-7010, Juli 1971 (Suwa Seikosha) - Neuer Service / Revision (12/2025) GMT sondern auch aufgrund der hohen

sondern auch aufgrund der hohen Fertigungsqualität und Sammlerattraktivität

Original engraving: "天皇陛下御在位六十年記念 昭和六十一年" ("Commemorative piece for the 60th anniversary of His Majesty's throne

thanks to its understated design

Kaliber: 7S26C (Automatik

gold leaf distribution and structure vary slightly – each piece is unique

Grand Seiko Hi-Beat – Ref. 5646-7010, Juli 1971 (Suwa Seikosha) - Neuer Service / Revision (12/2025) GMT sondern auch aufgrund der hohenThis elegant Grand Seiko Hi Beat automatic watch dates from July 1971 and was manufactured in the renowned Suwa Seikosha factory . It belongs to the famous 56GS series , which was produced from 1968 to 1974 and marked the transition from classic hand wound Grand Seikos to modern, automatic precision models. Background and historical significance The 56GS series replaced the previous 45GS and 61GS lines and introduced, for the first time, an automatic