Grand Seiko
Grand Seiko SBGA477 SBGA477
The Grand Seiko SBGA477 (reference SBGA477) is a 40 mm stainless steel watch with a blue dial. It runs on the spring Drive caliber 9R65 with a 72-hour power reserve. It was introduced in 2023.
Specifications
Case
- Reference
- SBGA477
- Case size
- 40 mm
- Thickness
- 12.5 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Blue
Movement
- Movement
- Spring Drive
- Caliber
- 9R65
- Power reserve
- 72 hours
- Jewels
- 30
Production
- Production
- 2023 – today
- Limited edition
- 37 pieces
Dial versions
This reference was made with these dials and finishes.
SBGA477 Blue
Tree bark texture
Quick answers
- What size is the Grand Seiko SBGA477 SBGA477?
- The Grand Seiko SBGA477 SBGA477 has a 40 mm case, 12.5 mm thick.
- What movement does the Grand Seiko SBGA477 SBGA477 use?
- It uses the spring drive caliber 9R65, with a 72-hour power reserve.
- When did the Grand Seiko SBGA477 SBGA477 come out?
- It was introduced in 2023.
- What is the Grand Seiko SBGA477 SBGA477 made of?
- The case is stainless steel.
Catalog facts checked November 2026.