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Grand Seiko

Grand Seiko Grand Seiko SBGA523 SBGA523

The Grand Seiko Grand Seiko SBGA523 (reference SBGA523) is a 40 mm stainless steel watch. It runs on the spring Drive caliber 9R65. It was introduced in 2026.

Specifications

Case

Reference
SBGA523
Case size
40 mm
Thickness
12.5 mm
Case material
Stainless steel

Movement

Movement
Spring Drive
Caliber
9R65

Production

Production
2026 – today (limited)

Dial versions

This reference was made with these dials and finishes.

  • SBGA523

    Peacock-inspired diagonal stripes dial

Quick answers

What size is the Grand Seiko Grand Seiko SBGA523 SBGA523?
The Grand Seiko Grand Seiko SBGA523 SBGA523 has a 40 mm case, 12.5 mm thick.
What movement does the Grand Seiko Grand Seiko SBGA523 SBGA523 use?
It uses the spring drive caliber 9R65.
Is the Grand Seiko Grand Seiko SBGA523 SBGA523 still in production?
Limited.
When did the Grand Seiko Grand Seiko SBGA523 SBGA523 come out?
It was introduced in 2026.
What is the Grand Seiko Grand Seiko SBGA523 SBGA523 made of?
The case is stainless steel.

Catalog facts checked October 2026.