GRAND SEIKO SPRING DRIVE 8 DAY POWER RE­SERVE

The Peak Selections: Timepieces - - The Brief / Trend Report -

From Seiko’s ded­i­cated Mi­cro Artist Stu­dio in Nagano comes this top-of-the-line, sparkling jewel of a watch (the dial glis­tens with a di­a­mond-dust qual­ity), equipped with an eight-day power re­serve. The Spring Drive Cal­i­bre 9R01 hosts three bar­rels con­nected in se­ries, and the springs un­wind si­mul­ta­ne­ously, but three times slower than in a sin­gle bar­rel, thus length­en­ing the power sup­ply. A power re­serve in­di­ca­tor is lo­cated on the case­back.

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