Grand Seiko
Grand Seiko Spring Drive Chronograph GMT light blue SBGC273
The Grand Seiko Spring Drive Chronograph GMT light blue (reference SBGC273) is a 43.5 mm stainless steel watch with a blue dial. It runs on the spring Drive chronograph GMT caliber 9R86 with a 72-hour power reserve. It was introduced in 2023.
Specifications
Case
- Reference
- SBGC273
- Collection
- Sport
- Case size
- 43.5 mm
- Thickness
- 16.1 mm
- Case material
- Stainless steel
Dial and bezel
- Dial
- Blue
Movement
- Movement
- Spring Drive chronograph GMT
- Caliber
- 9R86
- Power reserve
- 72 hours
- Jewels
- 50
Production
- Production
- 2023 – today
- Limited edition
- 20 pieces
Dial versions
This reference was made with these dials and finishes.
SBGC273 Blue
Light blue
How it compares within the Sport family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| SBGC273 (This watch) | 43.5 mm | Stainless steel | Blue | 9R86 | 2023– |
| SBGA481 | 44.5 mm | High-intensity titanium | White (lion's mane) | 9R65 | — |
| SBGC253 | 44.5 mm | High-intensity titanium | White (lion's mane) | 9R86 | — |
| SBGE253 | 40.5 mm | Stainless steel | — | 9R66 | — |
| SBGE255 | 40.5 mm | Stainless steel | — | 9R66 | — |
| SBGE257 | 40.5 mm | Stainless steel | Green | 9R66 | — |
| SBGE295 | 44 mm | Stainless steel | Green | 9R66 | — |
| SBGH289 | 43.8 mm | Stainless steel | Dark blue | 9S85 | — |
| SBGJ277 | 44.2 mm | Stainless steel | White | 9S86 | 2024– |
About the Sport family
Sport is Grand Seiko's collection of tool watches, with divers, GMTs and chronographs built to the brand's finishing standards. Cases are larger and more robust, often in titanium, with rotating bezels and strong luminous markings.
The catalog includes Spring Drive models with calibers such as the 9R65, 9R66 and the 9R86 chronograph, and high-beat mechanical models with the 9S85 and 9S86, in steel, titanium and titanium with ceramic. Check the bezel action, the bracelet and the condition of the crystal, and confirm the dial colour against the reference.
Quick answers
- What size is the Grand Seiko Spring Drive Chronograph GMT light blue SBGC273?
- The Grand Seiko Spring Drive Chronograph GMT light blue SBGC273 has a 43.5 mm case, 16.1 mm thick.
- What movement does the Grand Seiko Spring Drive Chronograph GMT light blue SBGC273 use?
- It uses the spring drive chronograph gmt caliber 9R86, with a 72-hour power reserve.
- When did the Grand Seiko Spring Drive Chronograph GMT light blue SBGC273 come out?
- It was introduced in 2023.
- What is the Grand Seiko Spring Drive Chronograph GMT light blue SBGC273 made of?
- The case is stainless steel.
Catalog facts checked November 2026.