![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
![Amazon.com: Seiko Prospex 3rd Gen"Sumo" Diver's 200m Automatic Black Dial Sapphire Glass Watch SPB101J1 : Clothing, Shoes & Jewelry Amazon.com: Seiko Prospex 3rd Gen"Sumo" Diver's 200m Automatic Black Dial Sapphire Glass Watch SPB101J1 : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61QeiBkpxaL._AC_UY1000_.jpg)
Amazon.com: Seiko Prospex 3rd Gen"Sumo" Diver's 200m Automatic Black Dial Sapphire Glass Watch SPB101J1 : Clothing, Shoes & Jewelry
![IN-DEPTH: A top-of-the line Seiko diver, SLA037 Vs. the lesser-seen Omega Seamaster 300, same price, different experience? - Time and Tide Watches IN-DEPTH: A top-of-the line Seiko diver, SLA037 Vs. the lesser-seen Omega Seamaster 300, same price, different experience? - Time and Tide Watches](https://timeandtidewatches.com/wp-content/uploads/2020/12/image00004-3.jpeg.webp)
IN-DEPTH: A top-of-the line Seiko diver, SLA037 Vs. the lesser-seen Omega Seamaster 300, same price, different experience? - Time and Tide Watches
![Celebrating 55 years of Seiko diver's watches, three legends are re-born in Prospex. | Seiko Watch Corporation Celebrating 55 years of Seiko diver's watches, three legends are re-born in Prospex. | Seiko Watch Corporation](https://www.seikowatches.com/us-en/-/media/Images/GlobalEn/Seiko/Home/news/20200305-67527300709/prospexThumb.jpg)