Grand Seiko
Grand Seiko Grand Seiko SLGH031 SLGH031
The Grand Seiko Grand Seiko SLGH031 (reference SLGH031) is a 40 mm Ever-Brilliant Steel watch with a white dial. It runs on the automatic caliber 9SA5. It was introduced in 2026 and is still in production.
Specifications
Case
- Reference
- SLGH031
- Case size
- 40 mm
- Thickness
- 11.7 mm
- Case material
- Ever-Brilliant Steel
Dial and bezel
- Dial
- White
Movement
- Movement
- Automatic
- Caliber
- 9SA5
Production
- Production
- 2026 – today (current)
Dial versions
This reference was made with these dials and finishes.
SLGH031 White
White birch
Quick answers
- What size is the Grand Seiko Grand Seiko SLGH031 SLGH031?
- The Grand Seiko Grand Seiko SLGH031 SLGH031 has a 40 mm case, 11.7 mm thick.
- What movement does the Grand Seiko Grand Seiko SLGH031 SLGH031 use?
- It uses the automatic caliber 9SA5.
- Is the Grand Seiko Grand Seiko SLGH031 SLGH031 still in production?
- Yes, it is a current reference.
- When did the Grand Seiko Grand Seiko SLGH031 SLGH031 come out?
- It was introduced in 2026.
- What is the Grand Seiko Grand Seiko SLGH031 SLGH031 made of?
- The case is Ever-Brilliant Steel.
Catalog facts checked October 2026.