![Powered by a new three-day movement, a mechanical GMT diver's watch joins the Seiko Prospex collection for the first time. | Seiko Watch Corporation Powered by a new three-day movement, a mechanical GMT diver's watch joins the Seiko Prospex collection for the first time. | Seiko Watch Corporation](https://www.seikowatches.com/us-en/-/media/Images/GlobalEn/Seiko/Home/news/20230308-3/Main_Visual.jpg?mh=1125&mw=2000&hash=4F3F1710557187293FDC0A22AFCE82E4)
Powered by a new three-day movement, a mechanical GMT diver's watch joins the Seiko Prospex collection for the first time. | Seiko Watch Corporation
![Grand Seiko Automatic GMT Sport/travel SBGM027/9S66-00B0 for $4,200 for sale from a Trusted Seller on Chrono24 Grand Seiko Automatic GMT Sport/travel SBGM027/9S66-00B0 for $4,200 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/23730941-rlesq06oq8hjz7fqg3s70dxu-ExtraLarge.jpg)
Grand Seiko Automatic GMT Sport/travel SBGM027/9S66-00B0 for $4,200 for sale from a Trusted Seller on Chrono24
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