Grand Seiko
Grand Seiko Hi-Beat 36000 GMT Sea of Clouds SBGJ275
The Grand Seiko Hi-Beat 36000 GMT Sea of Clouds (reference SBGJ275) is a 44.2 mm stainless steel watch. It runs on the automatic (Hi-Beat) GMT caliber 9S86 with a 55-hour power reserve. It was introduced in 2023.
Specifications
Case
- Reference
- SBGJ275
- Collection
- Sport
- Case size
- 44.2 mm
- Thickness
- 14.8 mm
- Case material
- Stainless steel
Movement
- Movement
- Automatic (Hi-Beat) GMT
- Caliber
- 9S86
- Power reserve
- 55 hours
- Frequency
- 36,000 vph
- Jewels
- 37
Production
- Production
- 2023 – today
- Limited edition
- 2,000 pieces
Dial versions
This reference was made with these dials and finishes.
SBGJ275
Sea of clouds
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 |
|---|---|---|---|---|---|
| SBGJ275 (This watch) | 44.2 mm | Stainless steel | — | 9S86 | 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 Hi-Beat 36000 GMT Sea of Clouds SBGJ275?
- The Grand Seiko Hi-Beat 36000 GMT Sea of Clouds SBGJ275 has a 44.2 mm case, 14.8 mm thick.
- What movement does the Grand Seiko Hi-Beat 36000 GMT Sea of Clouds SBGJ275 use?
- It uses the automatic (hi-beat) gmt caliber 9S86, with a 55-hour power reserve.
- When did the Grand Seiko Hi-Beat 36000 GMT Sea of Clouds SBGJ275 come out?
- It was introduced in 2023.
- What is the Grand Seiko Hi-Beat 36000 GMT Sea of Clouds SBGJ275 made of?
- The case is stainless steel.
Catalog facts checked November 2026.