SBGN003

The Grand Seiko SBGN003 made waves as one of the first Grand Seiko quartz GMTs, debuting in 2018 with the brand’s celebrated 9F86 caliber. Its release filled a gap for collectors seeking a practical, travel-ready Grand Seiko in a compact 39mm case, blending precise quartz technology with the brand’s signature finishing. The SBGN003’s blue-and-red 24-hour bezel and crisp dial layout nod to classic GMT aesthetics, making it a favorite among those who appreciate both utility and refinement.

This model, reference SBGN003, is powered by the high-accuracy 9F86 quartz movement, notable for its independently adjustable local hour hand—a rare feature in quartz GMTs. Compared to its sibling, the SBGN005, which features a more muted color scheme, the SBGN003’s “Pepsi” bezel and yellow GMT hand offer a sportier look. Both share the same 100m water resistance and Zaratsu-polished surfaces, but the SBGN003’s playful colorway tends to command a slight premium on the secondary market.

When considering an SBGN003, examine the condition of the bezel and bracelet, as scratches can affect value more than on the all-steel SBGN005. Early production pieces may include special packaging or papers, which can further influence collectability. The 9F86’s service intervals are long, but a full set and unpolished case will help this model hold value as demand for high-spec quartz GMTs continues to grow.