Grand Seiko
SLGB023
SLGB023
The 40.8 mm titanium diver combines 300-metre capability with Spring Drive accuracy rated to ±20 seconds per year.

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Specifications
| Reference | SLGB023 |
|---|---|
| Style | dive |
| Calibre | Spring Drive calibre 9RB1 |
| Diameter | 40.8 mm |
| Release date | 2026-04-14 |
Omitted specifications have not been confirmed. From published article 2026-10-20. Original source ↗
Read the stories
Grand Seiko’s SLGB023 Ushio 300 Diver brings U.F.A. precision underwater ↗