Grand Seiko
Grand Seiko Grand Seiko STGK031 STGK031
The Grand Seiko Grand Seiko STGK031 (reference STGK031) is a 30 mm stainless steel watch with a light pink dial. It runs on the automatic caliber 9S27. It was introduced in 2025 and is still in production.
Specifications
Case
- Reference
- STGK031
- Collection
- Heritage
- Case size
- 30 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Light pink
Movement
- Movement
- Automatic
- Caliber
- 9S27
Production
- Production
- 2025 – today (current)
Dial versions
This reference was made with these dials and finishes.
STGK031 Light pink
Sakura-kakushi
How it compares within the Heritage family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| STGK031 (This watch) | 30 mm | Stainless steel | Light pink | 9S27 | 2025– |
| SBGA211 | 41 mm | High-intensity titanium | White Snowflake pattern | 9R65 | 2017– |
| SBGA413 | 40 mm | High-intensity titanium | Pink (Shunbun / hana-ikada) | 9R65 | 2020– |
| SBGH351 | 40 mm | Ever-Brilliant Steel | Green | 9S85 | 2025– |
| SBGH353 | 40 mm | Ever-Brilliant Steel | Silver | 9S85 | 2025– |
| SBGH368 | 38 mm | 18k rose gold | Silver | 9S85 | 2025– |
| SBGX365 | 32.3 mm | Stainless steel | Blue | 9F51 | — |
| SLGW007 | 38.6 mm | Stainless steel | Navy | 9SA4 | 2025– |
| STGK033 | 30 mm | Stainless steel | Silver | 9S27 | 2025– |
About the Heritage family
Heritage is Grand Seiko's collection rooted in its classic 1960s designs, especially the 44GS and 62GS. It keeps the sharp facets, flat polished surfaces and clean dials of the Grand Seiko Style, in a wide range of sizes and movements.
The catalog includes mechanical models with 9S and 9SA calibers, Spring Drive with 9R and 9RA calibers, and quartz with the 9F, in steel, Ever-Brilliant Steel, high-intensity titanium and gold. With so many dial variations and limited editions, confirm the exact reference, and check the case edges for polishing.
Quick answers
- What size is the Grand Seiko Grand Seiko STGK031 STGK031?
- The Grand Seiko Grand Seiko STGK031 STGK031 has a 30 mm case.
- What movement does the Grand Seiko Grand Seiko STGK031 STGK031 use?
- It uses the automatic caliber 9S27.
- Is the Grand Seiko Grand Seiko STGK031 STGK031 still in production?
- Yes, it is a current reference.
- When did the Grand Seiko Grand Seiko STGK031 STGK031 come out?
- It was introduced in 2025.
- What is the Grand Seiko Grand Seiko STGK031 STGK031 made of?
- The case is stainless steel.
Catalog facts checked October 2026.