Grand Seiko
Grand Seiko Grand Seiko SLGA030 SLGA030
The Grand Seiko Grand Seiko SLGA030 (reference SLGA030) is a 40 mm 18k rose gold watch with a brown dial. It runs on the spring Drive caliber 9RA2. It was introduced in 2025.
Specifications
Case
- Reference
- SLGA030
- Collection
- Heritage
- Case size
- 40 mm
- Case material
- 18k rose gold
Dial and bezel
- Dial
- Brown
Movement
- Movement
- Spring Drive
- Caliber
- 9RA2
Production
- Production
- 2025 – today (limited)
Dial versions
This reference was made with these dials and finishes.
SLGA030 Brown
Sunburst; boutique-limited
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 |
|---|---|---|---|---|---|
| SLGA030 (This watch) | 40 mm | 18k rose gold | Brown | 9RA2 | 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– |
| SLGW007 | 38.6 mm | Stainless steel | Navy | 9SA4 | 2025– |
| STGK031 | 30 mm | Stainless steel | Light pink | 9S27 | 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 SLGA030 SLGA030?
- The Grand Seiko Grand Seiko SLGA030 SLGA030 has a 40 mm case.
- What movement does the Grand Seiko Grand Seiko SLGA030 SLGA030 use?
- It uses the spring drive caliber 9RA2.
- Is the Grand Seiko Grand Seiko SLGA030 SLGA030 still in production?
- Limited.
- When did the Grand Seiko Grand Seiko SLGA030 SLGA030 come out?
- It was introduced in 2025.
- What is the Grand Seiko Grand Seiko SLGA030 SLGA030 made of?
- The case is 18k rose gold.
Catalog facts checked October 2026.