SpecStudio
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Grand Seiko SBGM245
$6,100Stock unknown
Case
- Diameter
- 40.5mm
- Thickness
- 14.4mm
- Lug-to-lug
- 48.6mm
- Lug width
- 20mm
- Material
- Stainless Steel
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
- AR coating
- Yes
Movement
- Caliber
- Grand Seiko 9S66
- Type
- Automatic
- Power reserve
- 72h
Design language
- Case shape
- round
- Dial style
- sunburst
- Bezel
- gmt
- Bracelet
- lug-attached
- Hands
- baton
AI-detected from the product image
SBGM245 collection · 23 watches
2 colorways
The market
Market prices.
Retail$6,100
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Active listings2Across watch forums
Closed · 90d0Asking-price history
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Retail stock & market context
Grand Seiko on the secondhand market
+7.5%
2026 so far · +4.0% to +12.1% · 41 matched watches
In line with the index
GMT watches as a group: +7.6% · 103 matched watches
Year-by-year readings →The connection engine
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The community take
Owners talk.
Owners widely praise the Grand Seiko SBGM245 as a compelling mechanical GMT, blending sport and luxury with notable workmanship. Some owners find its 40.5mm case size and 14.4mm thickness wearable, while others consider it too large and prefer slimmer alternatives. The polished surfaces are noted to scratch easily, suggesting it is best suited for dressier occasions. Accuracy figures vary, with one owner reporting an average gain of two seconds per day, while others express a desire for a thinner case and a clasp with quick extension. Overall, owners rate the Grand Seiko SBGM245 highly for its mechanical GMT functionality and craftsmanship, despite some reservations about its size and scratch resistance.
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