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This model incorporates Calibre 9S86, the high-specification movement that delivers the same accuracy (-5 to +3 seconds a day) and the same power reserve (55 hours) as the core Calibre 9S85, while also offering the GMT function that the international traveller needs to ensure that the accuracy of the time shown is not compromised when the time zone is changed. The GMT hand shows the time in the home time zone.
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—and features a distortion-free, wide mirror surface throughout.
A beautifully delicate and polished finish has been created on the dial, with a 'Mount Iwate pattern', inspired by the many-ridged contours of the Mt. Iwate, the mountain that is visible through the windows of the Shizuku-Ishi Watch Studio where Grand Seiko mechanical watches are made.
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Case Material: | Stainless Steel |
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Glass Material: | Sapphire |
Case size: |
Diameter: 40mm Thickness: mm Length: mm Distance Between Lugs: mm |
Case Colour: | Silver |
Band/Bracelet: | Bracelet - Stainless Steel |
Band Colour: | Silver |
Band Reference: | AA1B711J9 |
Dial Colour: | White |
Hand Indicators: | Hour, Minute, Seconds, 24-Hour |
Calendar Indicators: | Date |
Dial Markers: | Batons |
Crown: | Screw Down |
Calibre no.: | 9S86 Instructions |
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Movement Type: | Automatic - Powered By The Movement Of The Wearer |
Accuracy: | +5 to -3 seconds per day (when static) |
Battery Life: | 55 Hours Power Reserve |
Battery: | N/A |
Display: | Analogue |
Dual Time: | Yes - 24 Hour Hand Can Be Adjusted To A Second Time Zone |
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Water Resistance: | 100 Metres |
Other details / Features: |
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The dial tells the story; its surface texture was inspired by the numerous ridged contours on the face of Mt Iwate, the imposing mountain that overlooks the Grand Seiko Studio Shizukuishi where all Grand Seiko mechanical watches are made. A Hi-beat GMT Grand Seiko of the “highest” refinement.
When Nobuhiro Kosugi, the head designer of the 44GS modern re-interpretation, showed his team his idea for the shape of the new case he wanted to create, they saw immediately that a challenge lay ahead. Its super sharp edges, its delicately curved sides and, above all, the thin, tapered end of each lug took the craftsmen and women in charge of the Zaratsu polishing into uncharted territory. Kosugi was asking them to achieve something that had been impossible for the original 44GS in 1967. “I always try to create a design which presents a new challenge”, he says. And his team delivered, as he knew they would.
When the first 9S series movement was created in 1998, it incorporated advances in materials, manufacturing and craftsmanship that allowed it to offer a level of performance so superior that it changed the Grand Seiko Standard itself.
As often before, Grand Seiko’s ceaseless pursuit of precision, practicality and durability had taken its mechanical watchmaking to a new and higher level.
Each movement has over 200 components and each one is assembled and adjusted by hand to tolerances of one hundredth of a millimeter. 9S may be a quiet name but it speaks volumes.
Every 9S movement is made at the Grand Seiko mechanical watch facility in Shizukuishi in northern Japan. Within the same facility is a recently opened new studio where the movements and then complete watches are assembled and adjusted by hand by a team of craftsmen and women who have honed their craft to such an extent that they can adjust parts by hand to tolerances of one hundredth of a millimeter. Their work is all about precision. Calibre 9S85 is a 36000 vph hi-beat movement that is adjusted to +5 to -3 seconds per day.
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