Grand Seiko Spring Drive GMT vs Grand Seiko Quartz GMT
Side-by-side dimension comparison — Ref. SBGE257 vs Ref. SBGN005
Dimensions Compared
| Spec | Grand Seiko Spring Drive GMT | Grand Seiko Quartz GMT |
|---|---|---|
| Diameter | 40.5 mm | 39.0 mm |
| Lug-to-Lug | 48.7 mm | 46.0 mm |
| Thickness | 14.7 mm | 12.1 mm |
| Lug Width | 20 mm | 19 mm |
| Weight | N/A | N/A |
| Material | Stainless Steel | Stainless Steel |
| Water Resistance | 200 m | 200 m |
| Movement | Spring Drive (GMT) | Quartz (GMT) |
| Power Reserve | 72 hours | N/A |
| MSRP | $6,900 | $3,100 |
Verdict
The Grand Seiko Spring Drive GMT is 1.5 mm wider at 40.5 mm versus 39.0 mm, giving it a slightly larger wrist presence. The Grand Seiko Quartz GMT has a shorter lug-to-lug distance, making it better suited for smaller wrists. The Grand Seiko Quartz GMT wears thinner at 12.1 mm versus 14.7 mm, sitting closer to the wrist. At retail, the Grand Seiko Quartz GMT is the more accessible option at $3,100 versus $6,900.
Where to Buy
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