Powered by the automatic 9S66 mechanical movement with manual winding mechanism, this is a sophisticated compact watchmaking innovation through its precision controlling of the mainspring, hairspring and escapement. Its dual-curved sapphire crystal with anti-reflective coating on the inner surface means an easy-to-read dial, alongside a remarkable blend of efficiency and precision with a power reserve of 72 hours and accuracy rate of 5 to -3 seconds per day and 200m water resistance. Every Grand Seiko features signature high standards of precision, durability and legibility, handcrafted in Japan by Takumi artisans. Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporation’s in-house ‘manufacture.’
