A Look Inside Grand Seiko’s 9S Mechanical Movement
Grand Seiko is no stranger to high-grade, high-accuracy mechanical movements, and today?s Grand Seiko calibers are built on the brand?s storied heritage of mechanical excellence. Through an expert combination of traditional watchmaking and state-of-the-art manufacturing, Grand Seiko is able to make movements that are hard-wearing, reliable, accurate, and superbly finished.
Grand Seiko was born with the promise of high-grade mechanical movements.
First and foremost, it should be noted that Grand Seiko is a fully-integrated manufacture ? they produce all components in-house. Located in Morioka, Japan, Grand Seiko?s Shizukuishi Watch Studio is where Grand Seiko?s mechanical watches are made from start to finish, beginning with the manufacture of individual components, and ending with casing, testing, and final inspection.
When I visited Japan, I had the good fortune of seeing Grand Seiko?s manufacturing facilities up close. They were highly impressive, and it was truly one of the more interesting manufactures I?ve experienced. I witnessed parts both big and small get machine-cut, and then I watched those parts get hand-finished by Grand Seiko artisans.
One of the many machines at Grand Seiko.
Movement components both big…
…and small (like really, really small).
Heat-hardening.
Final assembly of the movements is a highly controlled process, and Grand Seiko entrusts about 20 watc...
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