Grand Seiko SBGK004 Limited edition of 150 pcs
Caliber 9S63 is a significant addition to the ever growing Grand Seiko family of movements. It has been eight years since the last manual-winding mechanical caliber in Grand Seiko and it has been worth the wait. Caliber 9S63 offers a small seconds hand at the nine o’clock position and a power reserve indicator at three o’clock. Caliber 9S63 has a power reserve of 72 hours and delivers an accuracy rate of +5 to -3 seconds a day.
The dial showcases a form of Japanese craftsmanship, Urushi lacquer. The dial is made from long lasting Urushi that comes from trees grown in and around the town of Joboji that lies under Mt. Iwate, the mountain that dominates the skyline above the Shizukuishi Watch Studio. The black dial uses the lacquer mixed with iron to give it its distinctive deep jet black color.
The hour markers and the ‘’GS’’ letters are decorated with the traditional Maki-e technique by Urushi master Isshu Tamura in his studio in Kanazawa on the west coast of Japan’s main island. Through the application of layer after layer of lacquer, these markers are given a three dimensional profile and a delicate yet strong presence on the dial. Tamura then applies the powder, either 24k gold or platinum, and then polishes them by hand using his own special tools to give Maki-e its delicately shimmering appearance. These processes require great dexterity as it is very challenging to give every marker the same depth, especially on a curved surface.
Designed with a stainless steel case and bracelet, this 41.0mm Grand Seiko Caliber 9R65, features the signature clear Grand Seiko ridges on the facets of the case and the diamond-cut hands and markers on a black dial. Spring Drive, a unique Seiko movement that requires neither a battery nor an electric motor, makes it a completely self-contained system. Its power is derived from a mainspring, just like a mechanical watch, and its accuracy is controlled by the precise signal of a quartz oscillator. These watches are all accurate to ±10 seconds per month, a level that is higher than any other existing spring-wound watch in the world. Featuring a see-through caseback, Spring Drive movement allows for self and automatic winding capabilities and features 30 jewels, with accuracy +/- 1 second per day with over 72 hours power reserve. 100M Water Resistant
|Case Material :||18k rose gold|
|Glass Material :||Dual-curved sapphire|
|Glass Coating :||Anti-reflective coating on inner surface|
|Case size :||Diameter 39mm × Thickness 11.6mm|
|Band Material :||Crocodile leather|
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