Grand Seiko
Grand Seiko Kuroshio diver SLGA037
The Grand Seiko Kuroshio diver (reference SLGA037) is a 43.8 mm titanium watch with a purple dial. It runs on the caliber 9RA5. It was introduced in 2025.
Specifications
Case
- Reference
- SLGA037
- Case size
- 43.8 mm
- Thickness
- 13.8 mm
- Case material
- Titanium
Dial and bezel
- Dial
- Purple
Movement
- Caliber
- 9RA5
Production
- Production
- 2025 – today
- Limited edition
- 60 pieces
Dial versions
This reference was made with these dials and finishes.
SLGA037 Purple
Purple fume textured
Quick answers
- What size is the Grand Seiko Kuroshio diver SLGA037?
- The Grand Seiko Kuroshio diver SLGA037 has a 43.8 mm case, 13.8 mm thick.
- What movement does the Grand Seiko Kuroshio diver SLGA037 use?
- It uses the caliber 9RA5.
- When did the Grand Seiko Kuroshio diver SLGA037 come out?
- It was introduced in 2025.
- What is the Grand Seiko Kuroshio diver SLGA037 made of?
- The case is titanium.
Catalog facts checked November 2026.