A watch inspired by Atera River一款灵感源自阿特拉河的腕表
On the Spring Drive end of the new Grand Seiko Evolution 9 collection is the Grand Seiko 40mm SLGB011 "Atera Valley" – a name inspired by the Atera River flowing through the Nagano prefecture in Japan.

The Grand Seiko Evolution 9 – Atera Valley. — Photos: Grand Seiko
On the Spring Drive end of the new Grand Seiko Evolution 9 collection is the Grand Seiko 40mm SLGB011 “Atera Valley” – a name inspired by the Atera River flowing through the Nagano prefecture in Japan.
Its Calibre 9RB2 automatic Spring Drive hybrid movement boasts an incredible accuracy rating of ±20 seconds per year, making it the most precise mainspring-powered movement in the world!
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Grand Seiko Evolution 9 – Atera Valley。— 图片:Grand Seiko
在全新 Grand Seiko Evolution 9 系列的 Spring Drive 机芯端,有一款 Grand Seiko 40mm SLGB011 “Atera Valley”——其名称灵感源自流经日本长野县的阿特拉河。
其 Calibre 9RB2 自动 Spring Drive 混合动力机芯拥有令人难以置信的每年 ±20 秒的精度,使其成为世界上最精准的主发条驱动机芯!
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