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SLGB007 — Grand Seiko’s 40mm Lake Suwa Debuts Spring Drive UFA; Classic Evo 9 Models Get the Same Calibre and a New Bracelet
40mm SLGB007 introduces Spring Drive UFA to a new Evolution 9 reference. Grand Seiko is also updating Classic Evo 9 models with the UFA calibre and a new bracelet.
By HorologyTalk Editorial · · 3 min read
Originally reported by Monochrome Watches. This article is a curated summary of their original coverage.
40mm SLGB007 brings Spring Drive UFA into Evolution 9
Grand Seiko has launched a new reference, the 40mm SLGB007 Lake Suwa, equipped with the Spring Drive UFA calibre. We ran a dedicated piece on that model; this announcement is the first sign of a broader Evo 9 update.
What the announcement actually says
The message is straightforward: Grand Seiko is rolling the Spring Drive UFA into its Evolution 9 lineup and giving Classic Evo 9 models a new bracelet. The company flagged the SLGB007 as a new reference and noted there is more coming from Japan.
- New reference: SLGB007 (Lake Suwa), 40mm.
- Movement: Spring Drive UFA calibre specified for the new model and other Evo 9 updates.
- Hardware change: a new bracelet across Classic Evo 9 models.
"There is more coming from Japan…" — the brand signals further Evo 9 rollouts.
This is a clear product-line move rather than a one-off. Putting the UFA calibre into a 40mm Evo 9 reference and updating bracelets suggests Grand Seiko wants a consistent technical and aesthetic package across the Classic Evo 9 range.
Next steps for readers and buyers: watch for full specs, availability and hands-on coverage of the updated bracelets. If you follow Evolution 9 closely, expect additional references to surface and compare what the UFA brings versus existing Spring Drive calibres.
Originally reported by Monochrome Watches. This article is a curated summary of their original coverage.
Tags: Grand Seiko, Spring Drive, UFA Calibre, bracelet