Grand Seiko
Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's SBGH255
The Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's (reference SBGH255) is a titanium watch with a black dial. It runs on the automatic caliber 9S85 with a 55-hour power reserve and is water resistant to 600 m. It is no longer in production.
Specifications
Case
- Reference
- SBGH255
- Collection
- Sport
- Case material
- Titanium
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 600 m
- Bracelet / strap
- Titanium bracelet
Dial and bezel
- Dial
- Black
- Bezel
- Unidirectional rotating dive bezel
Movement
- Movement
- Automatic
- Caliber
- 9S85
- Power reserve
- 55 hours
- Frequency
- 36,000 vph
- Jewels
- 37
- Functions
- Date, Dive bezel
Production
- Production
- Discontinued
Dial versions
This reference was made with these dials and finishes.
SBGH255 Black
Matte
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 |
|---|---|---|---|---|---|
| SBGH255 (This watch) | — | Titanium | Black | 9S85 | — |
| 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 | — |
| SBGJ237 | 44.2 mm | Stainless steel | Midnight blue | 9S86 | — |
| SLGC009 | 43 mm | Brilliant Hard Titanium | Brown | 9SC5 | — |
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 movement does the Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's SBGH255 use?
- It uses the automatic caliber 9S85, with a 55-hour power reserve.
- How water resistant is the Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's SBGH255?
- It is water resistant to 600 metres.
- Is the Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's SBGH255 still in production?
- Discontinued.
- What is the Grand Seiko Sport Hi-Beat 36000 Professional 600m Diver's SBGH255 made of?
- The case is titanium. Bracelet or strap: Titanium bracelet.
Catalog facts checked September 2026.