Grand Seiko Watch Strap Sizes
Lug width and strap fitting for every Grand Seiko model in our index. Tap a watch for the full guide.
Across the 3 Grand Seiko models with standard lugs in our index, lug widths are 19mm (2), 20mm (1). The most common is 19mm, but don't assume: sizes vary within the brand, so check your exact model below. the SBGN003 GMT and the Elegance SBGW301 use an odd 19mm lug width (strap options for odd sizes).
Grand Seiko lug width chart
| Model | Reference | Strap size | Case | Lug-to-lug |
|---|---|---|---|---|
| Snowflake | SBGA211 | 20mm | 41mm | 49mm |
| SBGN003 GMT | SBGN003 | 19mm | 39mm | 46mm |
| Elegance SBGW301 | SBGW301 | 19mm | 37.3mm | 44.3mm |
Strap size = lug width. Not sure which model you have? Measure it or see the strap size chart for every brand.