Grand Seiko
Grand Seiko Grand Seiko STGK033 STGK033
The Grand Seiko Grand Seiko STGK033 (reference STGK033) is a 30 mm stainless steel watch with a silver dial. It runs on the automatic caliber 9S27 with a 50-hour power reserve. It was introduced in 2025 and is still in production.
Specifications
Case
- Reference
- STGK033
- Collection
- Heritage
- Case size
- 30 mm
- Thickness
- 10.5 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Silver
Movement
- Movement
- Automatic
- Caliber
- 9S27
- Power reserve
- 50 hours
- Frequency
- 28,800 vph
- Jewels
- 35
Production
- Production
- 2025 – today (current)
Dial versions
This reference was made with these dials and finishes.
STGK033 Silver
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 |
|---|---|---|---|---|---|
| STGK033 (This watch) | 30 mm | Stainless steel | Silver | 9S27 | 2025– |
| 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– |
| SBGH376 | 38 mm | Yellow gold | Light green | 9S85 | 2026– |
| SBGH378 | 38 mm | Yellow gold | Blue | 9S85 | 2026– |
| SBGX363 | 32.3 mm | Stainless steel | Pink | 9F51 | 2026– |
| SBGX365 | 32.3 mm | Stainless steel | Blue | 9F51 | 2026– |
| SLGW007 | 38.6 mm | Stainless steel | Navy | 9SA4 | 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 STGK033 STGK033?
- The Grand Seiko Grand Seiko STGK033 STGK033 has a 30 mm case, 10.5 mm thick.
- What movement does the Grand Seiko Grand Seiko STGK033 STGK033 use?
- It uses the automatic caliber 9S27, with a 50-hour power reserve.
- Is the Grand Seiko Grand Seiko STGK033 STGK033 still in production?
- Yes, it is a current reference.
- When did the Grand Seiko Grand Seiko STGK033 STGK033 come out?
- It was introduced in 2025.
- What is the Grand Seiko Grand Seiko STGK033 STGK033 made of?
- The case is stainless steel.
Catalog facts checked November 2026.