Grand Seiko Evolution 9 Tentagraph SLGC001 sub-collection_constellation in the traditional Japanese color

in the traditional Japanese color known as kachi-iro (winning color)

limited to 2

blue (+1h in summer) and Sedna™ gold colour (places without daylight savings)

as well as the supple

the Evolution 9 Collection takes the legibility and comfort of Grand Seiko to a new level with greater refinements to the case and bracelet

Grand Seiko Evolution 9 Tentagraph SLGC001 sub-collection_constellation in the traditional Japanese colorGrand Seiko's inaugural mechanical chronograph makes its long awaited debut As the Grand Seiko Evolution 9 continues to define the brand's exciting future, the venerable Japanese maker finally introduces its long awaited mechanical chronograph, the Tentagraph. Just like every Grand Seiko creation, the pursuit of precision is at the heart of the new Tenta graph, whose chronograph movement features the revolutionary high beat Caliber 9SA5 as its base.