| Brand | Grand Seiko |
| Between lugs | 19mm |
| Bracelet | Silver Ever-Brilliant Steel bracelet |
| Case diameter | 40.0mm |
| Case material | Ever-Brilliant Steel with sapphire crystal caseback |
| Collection | Heritage Collection |
| Crystal | Dual-curved sapphire crystal with anti-reflective coating on inner surface |
| Dial colour | Black Mt. Iwate pattern |
| Display | Analogue with GMT / dual-time display |
| Fastener | Folding clasp with push button release |
| Gender | Mens |
| Guarantee | 5-year Grand Seiko worldwide warranty |
| Measurements | 14.0mm thick / 46.2mm lug-to-lug |
| Movement | Hi-Beat 36000 Calibre 9S86 automatic with manual winding |
| Power reserve | Approx. 55 hours |
| Sku | SBGJ265G |
| Water resistance | 10 bar (100m) |
