













Grand Seiko Evolution 9 Collection U.F.A. SLGB003
Wristwatch
Seiko Watch CorporationThis flagship model features the world’s only Spring Drive movement, achieving ±20 seconds per year—the highest accuracy among non-battery, mainspring-driven watches. Housed in a compact 37.0 mm case and weighing just 100g, it is the smallest and lightest in the series. The new three-step micro-adjustment clasp allows fine adjustments to accommodate temporary wrist changes, ensuring a comfortable fit for a wide range of users. Every detail is meticulously crafted by skilled artisans, and both the case and movement are designed for easy disassembly and repolishing, supporting long-term maintenance and lasting performance.
Client / Manufacturer
Design

Seiko Watch Corporation
Tokyo, JP
Seiko Watch Corporation
Tokyo, JPAkira YoshidaDate of Launch
2025
Target Regions
Asia, Australia / Oceania, Europe, North America, South America
Target Groups
Consumers / Users