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Grand Seiko

SLGB023

SLGB023

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

Grand Seiko SLGB023 Ushio 300 Diver blue dial
The blue Ushio 300 Diver, reference SLGB023. GQ Japan ↗

Price not confirmed

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Specifications

Published specifications for SLGB023
ReferenceSLGB023
Styledive
CalibreSpring Drive calibre 9RB1
Diameter40.8 mm
Release date2026-04-14

Omitted specifications have not been confirmed. From published article 2026-10-20. Original source ↗

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Grand Seiko’s SLGB023 Ushio 300 Diver brings U.F.A. precision underwater ↗

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