Grand Seiko
Grand Seiko Sport Quartz GMT 140th Anniversary SBGN023
The Grand Seiko Sport Quartz GMT 140th Anniversary (reference SBGN023) is a 40 mm stainless steel (ceramic bezel) watch with a brown dial. It runs on the caliber 9F86. It was introduced in 2021.
Specifications
Case
- Reference
- SBGN023
- Collection
- Sport
- Case size
- 40 mm
- Case material
- Stainless steel (ceramic bezel)
Dial and bezel
- Dial
- Brown
Movement
- Caliber
- 9F86
Production
- Production
- 2021 – today
- Limited edition
- 2,021 pieces
Dial versions
This reference was made with these dials and finishes.
SBGN023 Brown
Brown/gold
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 |
|---|---|---|---|---|---|
| SBGN023 (This watch) | 40 mm | Stainless steel (ceramic bezel) | Brown | 9F86 | 2021– |
| 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 Sport Quartz GMT 140th Anniversary SBGN023?
- The Grand Seiko Sport Quartz GMT 140th Anniversary SBGN023 has a 40 mm case.
- What movement does the Grand Seiko Sport Quartz GMT 140th Anniversary SBGN023 use?
- It uses the caliber 9F86.
- When did the Grand Seiko Sport Quartz GMT 140th Anniversary SBGN023 come out?
- It was introduced in 2021.
- What is the Grand Seiko Sport Quartz GMT 140th Anniversary SBGN023 made of?
- The case is stainless steel (ceramic bezel).
Catalog facts checked November 2026.