Overview
The SBGW231 is Grand Seiko’s modern “dress watch” icon. Featuring a compact 37.3mm case and the hand-wound 9S64 caliber, it honors the simplicity and purity of Grand Seiko’s classic 1960s designs and appeals to collectors who appreciate manual-wind timepieces.
Product Image
Image copyright Grand Seiko
Official Description
A modern classic, the SBGW231 embodies Grand Seiko’s philosophy of simplicity and refinement. The lacquered silver dial, blued seconds hand, and manually wound mechanical movement combine for timeless elegance.
Product Specifications
| Feature | Value |
|---|---|
| Model Number | SBGW231 |
| Series | Elegance Collection |
| Case Material | Stainless steel |
| Case Diameter | 37.3 mm |
| Case Thickness | 11.6 mm |
| Lug Width | 19 mm |
| Lug-to-Lug | 44.3 mm |
| Crystal | Box-shaped sapphire, AR coated |
| Bracelet/Strap | Crocodile leather, black |
| Water Resistance | 30 meters (3 bar) |
| Magnetic Resistance | 4,800 A/m |
| Weight | 61g (incl. strap) |
| Clasp | Buckle |
| Caseback | Sapphire crystal, see-through |
Movement Details
| Specification | Value |
|---|---|
| Movement | Manual-wind, Caliber 9S64 |
| Type | Mechanical, hand-wound |
| Power Reserve | ~72 hours |
| Accuracy | +5 to -3 seconds per day |
| Jewels | 24 |
| Features | Hours, minutes, seconds |
Frequently Asked Questions
Is the SBGW231 a small watch?
Yes, at 37.3mm it is sized for dress wear and those who appreciate vintage proportions.
Is this automatic?
No, it is manually wound—ideal for enthusiasts who enjoy interacting with their timepiece.
Is the strap replaceable?
Yes, the standard lug width (19mm) accommodates aftermarket straps.
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