Grand Seiko
Grand Seiko Compact 27.8 automatic STGK025
The Grand Seiko Compact 27.8 automatic (reference STGK025) is a 27.8 mm stainless steel watch with a blue dial. It runs on the automatic caliber 9S27 with a 50-hour power reserve. It was introduced in 2023.
Specifications
Case
- Reference
- STGK025
- Case size
- 27.8 mm
- Thickness
- 11.2 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Blue
Movement
- Movement
- Automatic
- Caliber
- 9S27
- Power reserve
- 50 hours
- Frequency
- 28,800 vph
- Jewels
- 35
Production
- Production
- 2023 – today
- Limited edition
- 20 pieces
Dial versions
This reference was made with these dials and finishes.
STGK025 Blue
Light blue guilloche
Quick answers
- What size is the Grand Seiko Compact 27.8 automatic STGK025?
- The Grand Seiko Compact 27.8 automatic STGK025 has a 27.8 mm case, 11.2 mm thick.
- What movement does the Grand Seiko Compact 27.8 automatic STGK025 use?
- It uses the automatic caliber 9S27, with a 50-hour power reserve.
- When did the Grand Seiko Compact 27.8 automatic STGK025 come out?
- It was introduced in 2023.
- What is the Grand Seiko Compact 27.8 automatic STGK025 made of?
- The case is stainless steel.
Catalog facts checked November 2026.