Grand Seiko SBGW325 — short spec
Short overview, not a review. Pros and cons restate published facts only. No buying advice. Numbers not shown on a source we opened are omitted or marked unpublished.
Grand Seiko’s SBGW325 is an Elegance Collection watch, 37.3 mm wide, 44.3 mm lug-to-lug, and 11.7 mm thick, with a hand-wound Calibre 9S64. It is limited to 600 pieces worldwide.
Verified specs
| Item | Published | Source |
|---|---|---|
| Reference | SBGW325. Limited to 600 worldwide. The Japan page says 450 of the 600 are for the domestic channel. | Grand Seiko Singapore · Grand Seiko Japan |
| Case diameter | 37.3 mm stainless steel | Grand Seiko product pages |
| Lug-to-lug | 44.3 mm | Grand Seiko product pages |
| Thickness | 11.7 mm | Grand Seiko product pages |
| Strap | 19 mm wide. Hon-ai (natural indigo) crocodile, perimeter 195 mm. A spare calf leather strap is included. | Grand Seiko Singapore |
| Crystal / back | Box-shaped sapphire with anti-reflective coating on the inner surface. See-through caseback, six screws. | Grand Seiko product pages |
| Movement | Calibre 9S64 hand-wound; about 72 hours; 24 jewels; mean daily rate +5 to −3 seconds per day; normal-usage accuracy +10 to −1 seconds per day | Grand Seiko product pages |
| Water resistance | Splash Resistant | Grand Seiko product pages |
| Other | Weight 61 g. 4,800 A/m (magnetic resistance). | Grand Seiko product pages |
| Singapore price | S$7,500.00 | Grand Seiko Singapore |
| Other lists | Grand Seiko US: USD 5,800. Grand Seiko Japan: ¥803,000 tax included. Fratello cites €5,700, USD 5,800, and £5,000. | Grand Seiko US · Grand Seiko Japan · Fratello |
Fit on 6–7 in wrists (6.5 in reference)
Fit: Moderate risk on a 6.5 in wrist. The 44.3 mm lug-to-lug and the 11.7 mm thickness are Grand Seiko’s figures.
The flat top of the wrist (usable span) is the width a watch can sit on without its lugs hanging over the edge.
| Wrist (approx.) | Grand Seiko lug to lug | Thickness | Fit note |
|---|---|---|---|
| 6.0 in (152 mm) | 44.3 mm | 11.7 mm | Moderate risk: 44.3 mm is close to the flat top of a 6 in wrist (44.63 mm before rounding). |
| 6.5 in (165 mm) — reference | 44.3 mm | 11.7 mm | Moderate risk: 44.3 mm is close to the flat top of a 6.5 in wrist (about 48.3 mm). |
| 7.0 in (178 mm) | 44.3 mm | 11.7 mm | Low risk: 44.3 mm is under 90% of the flat top of a 7 in wrist (about 52.1 mm). |
Not published
- A Singapore allocation of the 600 pieces. The Japan page’s 450 is for the domestic channel.
Short overview
Pros (from published facts)
- 37.3 mm case and 44.3 mm lug-to-lug.
- Calibre 9S64 with about 72 hours of power reserve.
- Grand Seiko Singapore lists S$7,500.00.
Cons / gaps (from published facts)
- The case is 11.7 mm thick. Water resistance is Splash Resistant.
Singapore note
The authorised dealers guide lists a Grand Seiko boutique at Marina Bay Sands, and salons at Cortina (Raffles City), Sincere (Takashimaya), Time Emporium (Changi T3), and Watches of Switzerland (Jewel). Grand Seiko Singapore lists S$7,500.00. Watches are not subject to customs duty in the usual consumer path (see Buying in Singapore).