This model is powered by the 9S86 Mechanical movement; sophisticated watchmaking innovation through its precision controlling mainspring, the hairspring, and the escapement. Together the movement showcases the power and dynamism of the Mechanical Hi-Beat 36,000.
The black dial features a ‘Mount Iwate pattern’ showing the ridgelines of the magnificent mountain visible from the Shizukuishi Watch Studio where all Grand Seiko mechanical timepieces are made. It expresses the beauty of winter mountain scenery.
The exterior design is a modern take on the stunning ‘Grand Seiko Style’ the embodiment of the Grand Seiko design philosophy which was first established for the 44GS in 1967. It features a distortion-free, wide mirror surface achieved by our signature Zaratsu polishing.
Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporation’s in-house manufacture. Every Grand Seiko features signature high standards of Japanese precision, durability and legibility, handcrafted by Takumi artisans.
Movement
Accuracy:-3/+5 seconds per day Calibre:9S86 Movement Type:Automatic with Manual Winding Power Reserve:55 hours
Watch Exterior
Case Diameter:40.0mm Case Thickness:14.0mm Case Material:Stainless Steel Strap/Bracelet:Stainless Steel Lug Width:19.0mm Clasp:Three-fold clasp with push button release Dial Colour:Black
Other Specifications
Crystal Coating:Anti-reflective coating on inner surface Crystal Type:Dual-curved sapphire crystal Watch Function:GMT Water Resistance:10 bar Weight:159.0g
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Grand Seiko’s expert watchmakers.
9R Spring Drive
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.
9F Quartz
The ultimate quartz movement. Caliber 9F incorporates several unique technologies that raise performance of quartz to the high standards of Grand Seiko.
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