Dive
by Grand Seiko
Grand Seiko SLGB023
Evolution 9 · SLGB023
- Case
- 40.8 mm
- Thickness
- 12.9 mm
- Lug width
- 21 mm
- Crystal
- Sapphire
- Market price
- $12,400
Updated 11 November 2026
About this watch
The Grand Seiko SLGB023 is a 40.8 mm watch from the Evolution 9 collection. Its titanium case is 12.9 mm thick and 48.5 mm from lug to lug, with 21 mm lugs. It is water resistant to 300 m. The crystal is sapphire.
The manufacturer’s list price is US$12,400. It comes in 2 versions.
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