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Grand Seiko 45GS and 61GS

Back in Time With the Grand Seiko 45GS and 61GS

Two high-precision watches that established Grand Seiko as a leader in high-frequency watchmaking.

Grand Seiko Spring Drive 9RA2

Is Spring Drive Antimagnetic?

How the world's most accurate, spring-driven movement fights the effects of magnetism.

Spring Drive 9R86

What is Spring Drive – Automatic, Manual-Wind, or Quartz?

It combines the good of both while mitigating the negatives. Read on to learn more about this one-of-a-kind horological technology.

quartz crystal.

How Does Grand Seiko's 9F Quartz Caliber Achieve its Accuracy?

Redefining the quartz watch.

Grand Seiko watchmaker working on Caliber 9S85

Is Grand Seiko’s Hi-Beat 36000 more accurate?

Learn how Grand Seiko's higher beat movements offer better accuracy.

Joe Kirk on stage at GS9 Experience 2022

GS9 Experience 2022 | Kodo Constant-force Tourbillon: Concept to Reality

Grand Seiko Brand Curator Joe Kirk explores the journey of Kodo from idea to execution.

The Story Behind Grand Seiko Vol. 7

An interview with Grand Seiko caliber 9SA5 designer Mr. Hisashi Fujieda.

Grand Seiko Kodo Constant-force Tourbillon Wins the Chronometry Prize at the 2022 Grand Prix d’Horlogerie de Genève

Grand Seiko’s first mechanical complication watch wins top prize for high precision timekeeping performance.