![Powered by a new slimline movement, a new re-creation of Seiko's first diver's watch is closer than ever to the original. | Seiko Watch Corporation Powered by a new slimline movement, a new re-creation of Seiko's first diver's watch is closer than ever to the original. | Seiko Watch Corporation](https://www.seikowatches.com/au-en/-/media/Images/GlobalEn/Seiko/Home/news/20230704/mv.jpg?mh=1125&mw=2000&hash=64439C73ECAAE2242059CD1F97D47E24)
Powered by a new slimline movement, a new re-creation of Seiko's first diver's watch is closer than ever to the original. | Seiko Watch Corporation
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Introducing: The Next Generation Of Seiko's Prospex '20MAS' – Now Smaller And With A New Movement (SPB453, SPB451 & SPB455) - Hodinkee
![SEIKO PRESENTS THREE PROSPEX U.S. SPECIAL EDITIONS INSPIRED BY SOME OF THE MOST CHALLENGING AMERICAN DIVING LOCALES. SEIKO PRESENTS THREE PROSPEX U.S. SPECIAL EDITIONS INSPIRED BY SOME OF THE MOST CHALLENGING AMERICAN DIVING LOCALES.](https://seikoluxe.com/wp-content/uploads/2023/09/SPB419_421_423_Main-Visual_PR.jpg)