This Grand Seiko Sports watch has been created with high specifications to be robust and reliable enough for sportswear, but ideal for every day. Combining form and function: highly resistant to shock and perfected for active wear with a 200m water resistance. Featuring a ceramic bezel, it is powered by the highly accurate 9F86 quartz movement in which every single quartz crystal has been grown in-house and tested over three months. Only the best performing crystals are selected for a Grand Seiko. Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporations in-house manufacture. Every Grand Seiko features signature high standards of Japanese precision, durability and legibility, handcrafted by Takumi artisans. Calibre 9F86: Offering the same functionality as the standard Calibre 9F82, Calibre 9F86 is equipped with the first GMT function of Grand Seiko. A quartz movement depends on a battery as a power source. The battery sends electricity to a