Grand Seiko
Grand Seiko Grand Seiko SBGY045 SBGY045
The Grand Seiko Grand Seiko SBGY045 (reference SBGY045) is a 38.5 mm stainless steel watch with a gray dial. It runs on the spring Drive caliber 9R31. It was introduced in 2026.
Specifications
Case
- Reference
- SBGY045
- Case size
- 38.5 mm
- Thickness
- 10.2 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Gray
Movement
- Movement
- Spring Drive
- Caliber
- 9R31
Production
- Production
- 2026 – today (limited)
Dial versions
This reference was made with these dials and finishes.
SBGY045 Gray
Minato-nezumi (port gray); 300 for Japan
Quick answers
- What size is the Grand Seiko Grand Seiko SBGY045 SBGY045?
- The Grand Seiko Grand Seiko SBGY045 SBGY045 has a 38.5 mm case, 10.2 mm thick.
- What movement does the Grand Seiko Grand Seiko SBGY045 SBGY045 use?
- It uses the spring drive caliber 9R31.
- Is the Grand Seiko Grand Seiko SBGY045 SBGY045 still in production?
- Limited.
- When did the Grand Seiko Grand Seiko SBGY045 SBGY045 come out?
- It was introduced in 2026.
- What is the Grand Seiko Grand Seiko SBGY045 SBGY045 made of?
- The case is stainless steel.
Catalog facts checked October 2026.